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Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide 

 

 

 

 

 

 

97 

WLAN Statistics 

The Cisco Unified IP Phone 9971provides WLAN statistic information, where packet and counters are displayed.   
Browse to the phone’s web interface (https://x.x.x.x) then select 

WLAN Statistics

 to view this information. 

 

 

 

Streaming Statistics 

The Cisco Unified IP Phone 9971 provides call statistic information, where MOS, jitter and packet counters are displayed.   
The MOS value should be greater than or equal to 4.0 when using G.722 or G.711. 
A MOS value of 3.8 is the highest possible value when using G.729. 
Browse to the phone’s web interface (https://x.x.x.x) then select 

Streaming Statistics

 to view this information. 

 

Summary of Contents for UNIFIED 9971

Page 1: ...the wired network connection and remain connected The Wireless LAN and Bluetooth 2 1 EDR capabilities enable mobility and cord free communications The Cisco Unified IP Phone 9971 supports both the headset and hands free profiles This guide provides information and guidance to help the network administrator deploy these phones in a wireless LAN environment ...

Page 2: ... Wireless LAN Deployment Guide 2 Revision History Date Comments 11 17 09 9 0 1 Release 05 03 10 9 0 2 Release 12 15 10 9 1 1 Release 05 24 13 9 3 2 Release 08 20 13 9 3 4 Release 04 19 14 9 4 1 Release 07 16 14 9 4 1 SR1 Release ...

Page 3: ...ble Authentication via Secure Tunneling EAP FAST 17 Fast Secure Roaming FSR 19 EAP and User Database Compatibility 19 Power Management 20 Delivery Traffic Indicator Message DTIM 20 Quality of Service QoS 20 Configuring QoS in Cisco Unified Communications Manager 21 Configuring QoS Policies for the Network 21 Configuring Cisco Switch Ports 21 Configuring Cisco IOS Access Points 22 Configuring Switc...

Page 4: ... 39 Security Profiles 40 G 722 and iSAC Advertisement 41 Common Settings 42 Audio and Video Bit Rates 42 Configuring Video and Camera Capabilities 43 Product Specific Configuration Options 44 Configuring the Cisco Unified Wireless LAN Controller and Access Points 56 SSID WLAN Settings 57 Controller Settings 62 802 11 Network Settings 64 Beamforming ClientLink 65 Auto RF RRM 66 Client Roaming 68 Ca...

Page 5: ...for Video Calls 91 Upgrading Firmware 92 Troubleshooting 93 Device Information 93 Network Setup 94 Current Access Point 95 WLAN Statistics 97 Streaming Statistics 97 Device Logs 98 Traffic Stream Metrics TSM 99 WLAN Signal Indicator 100 WLAN Disconnect Display 101 Restoring Factory Defaults 101 Capturing a Screenshot of the Phone Display 101 Healthcare Environments 101 Accessories 101 Additional D...

Page 6: ...d the inability to guarantee the delivery of messages to a WLAN device the Cisco Unified IP Phone 9971 is not intended as a medical device and should not be used to make clinical decisions Requirements The Cisco Unified IP Phone 9971 is an IEEE 802 11a b g device that provides voice and video communications The wireless LAN must be validated to ensure it meets the requirements to deploy the Cisco ...

Page 7: ...ignal from the Cisco Unified IP Phone 9971 meets the access point s signal to noise ratio for the transmitted data rate Packet Loss Delay Per voice guidelines packet loss should not exceed 1 packet loss otherwise voice quality can be degraded significantly Jitter should be kept at a minimal 100 ms Retries 802 11 retransmissions should be less than 20 Multipath Multipath should be kept to a minimal...

Page 8: ... 8 6 Recommended 8 6 and later Device Support in Cisco Unified Communications Manager Cisco Unified Communications Manager requires a device package to be installed or service release update in order to enable Cisco Unified IP Phone 9971 device support Device packages for Cisco Unified Communications Manager are available at the following location http www cisco com cisco software navigator html m...

Page 9: ... 0 116 0 and 7 0 230 are not supported Recommended 7 0 250 0 7 4 121 0 7 6 120 0 Cisco IOS Access Points Autonomous Minimum 12 4 21a JY Recommended 12 4 25d JA2 15 2 4 JA1 The supported access point models are listed below Note The Cisco Unified IP Phone 9971 is supported with the Cisco AP3600 when the internal 802 11abgn radio is utilized however if the 802 11ac module AIR RM3000AC for the Cisco ...

Page 10: ...utonomous 500 No Yes Yes No No Yes Yes 600 Yes Yes Yes Yes No Yes No 700 Yes Yes Yes Yes No Yes No 1040 Yes Yes Yes Yes No Yes Yes 1100 No Yes Optional No No Yes Yes 1130 AG Yes Yes Yes No No Yes Yes 1140 Yes Yes Yes Yes No Yes Yes 1200 Optional Yes Optional No No Yes Yes 1230 AG Yes Yes Yes No No Yes Yes 1240 AG Yes Yes Yes No No Yes Yes 1250 Yes Yes Yes Yes No Yes Yes 1260 Yes Yes Yes Yes No Yes...

Page 11: ...orted antennas and how these external antennas should be mounted http www cisco com en US prod collateral wireless ps7183 ps469 product_data_sheet09186a008008883b html 3rd party antennas are not supported as there is no interoperability testing performed against 3rd party antennas including Distributed Antenna Systems DAS and Leaky Coaxial Systems Please refer to the following URL for more info on...

Page 12: ...the Cisco Unified IP Phone 9971 then it is required to enable 802 11d The Cisco Unified IP Phone 9971 uses 802 11d to determine which channels and transmit powers to use and inherits its client configuration from the associated access point Enable World Mode 802 11d for the corresponding country where the access point is located Some 5 GHz channels are also used by radar technology which requires ...

Page 13: ...eland IS Philippines PH Vietnam VN Note Compliance information is available on the Cisco Product Approval Status web site at the following URL http tools cisco com cse prdapp jsp externalsearch do action externalsearch page EXTERNAL_SEARCH Radio Characteristics The following table lists the data rates ranges and receiver sensitivity info for Cisco Unified IP Phone 9971 5 GHz 802 11a Data Rate Modu...

Page 14: ...requirements Language Support The Cisco Unified IP Phone 9971 currently supports the following languages The corresponding locale package must be installed to enable support for that language English is the default language on the phone Download the locale packages from the Localization page at the following URL http software cisco com download navigator html mdfid 278875240 Bluetooth The Cisco Un...

Page 15: ... Bluetooth headset Ring Answer a call End a call Volume Control Hands Free Profile HFP With Bluetooth Hands Free Profile HFP support the following additional features can be available if supported by the Bluetooth headset Last Number Redial Call Waiting Divert Reject 3 way calling Hold Accept and Release Accept Speed Dialing For more information refer to the documentation from the Bluetooth headse...

Page 16: ...he USB camera that attaches to the back of the Cisco Unified IP Phone 9971 or 9951 is also required to transmit video 360p is the recommended video format to utilize For remote users 360p should be the maximum video resolution enabled in the Cisco Unified IP Phone 9971 endpoint configuration within Cisco Unified Communications Manager A Videoconferencing System with MCU running version 5 7 or late...

Page 17: ...rity Protocol Message Integrity Check WEP Wired Equivalent Protocol 40 64 and 104 128 bit The Cisco Unified IP Phone 9971 also supports the following additional security features Image authentication Device authentication File authentication Signaling authentication Secure Cisco Unified SRST Media encryption SRTP Signaling encryption TLS Certificate authority proxy function CAPF Secure profiles En...

Page 18: ...allowed in the production wireless LAN environment then a staging Cisco ACS can be setup for initial PAC provisioning of the Cisco Unified IP Phone 9971 This requires that the staging ACS server be setup as a slave EAP FAST server and components are replicated from the product master EAP FAST server which include user and group database and EAP FAST master key and policy info Ensure the production...

Page 19: ...e from one access point to another will not be audible to the user As of the 9 1 1 release the Cisco Unified IP Phone 9971 supports CCKM with WPA2 AES or TKIP WPA TKIP or AES and 802 1x WEP authentication where WPA2 AES with CCKM is recommended Authentication Key Management Encryption EAP FAST 802 1x WPA WPA2 AES TKIP WEP 40 64 or 104 128 bit LEAP 802 1x WPA WPA2 AES TKIP WEP 40 64 or 104 128 bit ...

Page 20: ...when there are power save enabled clients associated to the access point so DTIM will determine how quickly these packets can be delivered to the client If using multicast applications a shorter DTIM period can be used If multiple multicast streams exist on the wireless LAN frequently then it is recommended to set the DTIM period to 1 Quality of Service QoS Quality of Service enables queuing to en...

Page 21: ...n US docs voice_ip_comm cucm port 8_6_1 portlist861 html Configuring QoS in Cisco Unified Communications Manager The SIP DSCP values are configured in the Cisco Unified Communications Manager enterprise parameters Cisco Unified Communications Manager uses the default value of CS3 to have devices set the DSCP marking for SIP packets as shown in the Enterprise Parameters Configuration page Configuri...

Page 22: ...correctly set Configuring Cisco IOS Access Points Use the following QoS policy on the Cisco IOS access point AP to enable DSCP to CoS UP mapping This allows packets to be placed into the proper queue as long as those packets are marked correctly when received at the access point level class map match all Voice match ip dscp ef class map match all Video match ip dscp af41 class map match all CallCo...

Page 23: ...ion Control Wi Fi MultiMedia Traffic Specifications TSPEC Set the desired maximum RF bandwidth that is allocated for voice traffic default 75 Set the bandwidth that is reserved for roaming clients default 6 The Cisco Unified IP Phone 9971 will auto negotiate the PHY rate to be used for TSPEC By default it will try 12 Mbps but if not enabled on the access point then it will try the next highest ena...

Page 24: ...sco Unified IP Phone 9971 measures Received Signal Strength Indicator RSSI and Packet Error Rate PER values for the current and all available access points to make roaming decisions If the original access point where the call was established had Call Admission Control TSPEC enabled then the Cisco Unified IP Phone 9971 will send an ADDTS request during the roam to the new access point which embedde...

Page 25: ...nd 802 1x WEP authentication where WPA2 AES with CCKM is recommended Authentication Roaming Time WPA WPA2 Personal 150 ms WPA WPA2 Enterprise 300 ms CCKM 100 ms The Cisco Unified IP Phone 9971 manages the scanning and roaming events Client Roaming parameters in the Cisco Unified Wireless LAN Controller are not utilized Roaming can be triggered for either of the following reasons RSSI Differential ...

Page 26: ... the only mandatory basic rate The client will send the IGMP join request to receive that multicast stream The client will send the IGMP leave when the session is to be ended The Cisco Unified IP Phone 9971 supports the IGMP query feature which can be used to reduce the amount of multicast traffic on the wireless LAN when not necessary Ensure that IGMP snooping is also enabled on all switches It i...

Page 27: ...quency Selection DFS on Access Points For Cisco Autonomous Access Points select Dynamic Frequency Selection DFS to use auto channel selection When DFS is enabled enable at least one band bands 1 4 For Cisco Unified access points enable Auto RF unless there is an intermittent interferer in an area which select access points can have the channel statically assigned If there are repeated radar events...

Page 28: ...d channels channels 100 140 it is recommended to disable UNII 2 channels 52 64 on the access point to avoid having so many channels enabled Having many 5 GHz channels enabled in the wireless LAN can delay discovery of new access points 2 4 GHz 802 11b g In the 2 4 GHz 802 11b g environment only non overlapping channels must be utilized when deploying VoWLAN Non overlapping channels have 22 MHz of ...

Page 29: ... Rate PER is no higher than 1 A minimum Signal to Noise Ratio SNR of 25 dB 92 dBm noise level with 67 dBm signal should be maintained It is recommended to have at least two access points on non overlapping channels with at least 67 dBm signal with the 25 dB SNR to provide redundancy To achieve maximum capacity and throughput the wireless LAN should be designed to 24 Mbps Higher data rates 36 54 Mb...

Page 30: ... 802 11b g Some microwaves are shielded more than others and that shielding reduces the spread of the energy Microwave energy can impact channel 11 and some microwaves can affect the entire frequency range channels 1 through 11 To avoid microwave interference select channel 1 for use with access points that are located near microwaves Most microwave ovens Bluetooth and frequency hopping devices do...

Page 31: ...Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide 31 The Cisco Unified WCS or NCS can be utilized to verify signal strength and coverage ...

Page 32: ... the lowest enabled rate is the mandatory basic rate For rugged environments or deployments requiring maximum range it is recommended to enable 6 Mbps as a mandatory basic rate To preserve high capacity and throughput data rates of 24 Mbps and higher only can be enabled 24 54 Mbps Other applications such as video may be able to benefit from having these higher data rates enabled Note Some environm...

Page 33: ...of Streams 802 11 Mode Data Rate 4 802 11b g Bluetooth Enabled 11 12 54 Mbps 7 802 11g Bluetooth Enabled 12 18 54 Mbps Note It is highly recommended to use 802 11a if using Bluetooth Video Calls Video calls over Wireless LAN will significantly reduce the potential call capacity Below lists the maximum number of video calls single bi directional voice and video stream supported per access point cha...

Page 34: ...602e 3502e 3602e and 3702e Series Access Points It is also important to ensure an antenna type is selected which can operate well in rugged environments Access Point Placement It is crucial that line of sight to the access point s antennas is maximized by minimizing any obstructions between the Cisco Unified IP Phone 9971 and the access point Ensure that the access point and or antennas are not mo...

Page 35: ...reless LAN Controller and access points can set the WMM UP tag for voice and call control frames correctly Beamforming If using Cisco 802 11n access points then Beamforming ClientLink should be enabled which can help with client reception See the Beamforming ClientLink section in Configuring the Cisco Unified Wireless LAN Controller and Access Points for more information Multipath Multipath occurs...

Page 36: ...for Unified Wireless LAN Management http www cisco com en US prod collateral wireless ps5755 ps11682 ps11686 ps11688 data_sheet_c78 650051 html Cisco Wireless Control System WCS for Unified Wireless LAN Management http www cisco com en US prod collateral wireless ps5755 ps6301 ps6305 product_data_sheet0900aecd802570d0 ht ml Cisco Wireless LAN Solution Engine WLSE for Cisco Autonomous Wireless LAN ...

Page 37: ...tor Settings Status WLAN Site Survey To view the HTML report select Device Logs WLAN Site Survey from the Cisco Unified IP Phone 9971 webpage This information can be utilized to confirm access point configuration as well as coverage The neighbor table shows access points along the column that are neighbors of the access points with the strongest signal listed in the row The percentage of time that...

Page 38: ...Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide 38 ...

Page 39: ...Ethernet MAC address as the Wireless LAN MAC is used for Wi Fi connectivity only The Ethernet MAC address can be found by navigating to Settings Administration Settings Network Setup Ethernet Setup on the Cisco Unified IP Phone 9971 Phone Button Templates The Cisco Unified IP Phone 9971 supports 6 lines The default phone button template includes support for 2 lines and 4 speed dials Custom phone b...

Page 40: ...ed mode where signaling media and configuration file encryption is then enabled The Certificate Authority Proxy Function CAPF must be operational in order to utilize a Locally Signed Certificate LSC with a security profile The Cisco Unified IP Phone 9971 has a Manufactured Installed Certificate MIC which can be utilized with a security profile as well ...

Page 41: ...m wide or not G 722 can be disabled globally within Enterprise Parameters of Cisco Unified Communications Manager G 722 and iSAC codecs can be disabled at an individual phone level by setting Advertise G 722 and iSAC Codecs to Disabled For more information refer to the Cisco Unified Communications Manager documentation http www cisco com en US products sw voicesw ps556 tsd_products_support_series_...

Page 42: ...reating or editing existing Regions in the Cisco Unified Communications Manager It is recommended to select G 722 or G 711 for the audio codec By default the video call bit rate is set to 384 Kbps CIF quality For typical deployments it is recommended to utilize the 360p bit rate for the video stream For better video quality set the video call bit rate to at least 480 Kbps to utilize VGA or 360p Us...

Page 43: ...s Manager Set the Video Capabilities option to Enabled in the phone s configuration within the Product Specific Configuration Layout section In order for the Cisco Unified IP Phone 9951 or 9971 to utilize the USB camera it must be enabled in the Cisco Unified Communications Manager version 8 0 Set the Cisco Camera option to Enabled in the phone s configuration within the Product Specific Configura...

Page 44: ...le for the Cisco Unified IP Phone 9971 For a description of these options click at the top of the configuration page Product specific configuration options can be configured in bulk via the Bulk Admin Tool if using Cisco Unified Communications Manager Some of the product specific configuration options can be configured on an enterprise phone common phone profile or individual phone configuration l...

Page 45: ...Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide 45 ...

Page 46: ...hone is enabled or disabled The port labeled 10 100 PC on the back of the phone connects a PC or workstation to the phone so they can share a single network connection Back USB Port Indicates whether the back usb port on the phone is enabled or disabled Side USB Port Indicates whether the side usb port on the phone is enabled or disabled Cisco Camera Indicates whether the Cisco Camera on the phone...

Page 47: ...ing and recording applications and use of network monitoring software for analysis purposes Web Access This parameter indicates whether the phone will accept connections from a web browser or other HTTP client Disabling the web server functionality of the phone will block access to the phones internal web pages These pages provide statistics and configuration information Features such as QRT Quali...

Page 48: ...in this Notice While Power Save Plus Mode The Mode is in effect endpoints configured for the mode are disabled for emergency calling and from receiving inbound calls By selecting this mode you agree to the following I You are taking full responsibility for providing alternate methods for emergency calling and receiving calls while the mode is in effect II Cisco has no liability in connection with ...

Page 49: ...lue in the Display On Time field is 06 00 6 a m and the Enable Power Save Plus has one or more days selected If EnergyWise directs the phone to turn off at 20 00 8 p m that directive will remain in effect assuming no phone user intervention occurs until the configured Phone On Time at 6 a m At 6 a m the phone will turn on and resume receiving its power level changes from the settings in Unified CM...

Page 50: ...valid range for this parameter is a value between 1 and 3000 milliseconds Display On When Incoming Call When the phone is in Screen Save mode this will turn the display on when a call is ringing RTCP Maintains statistic for audio Log Server Specifies an IP address and port of a remote system where log messages are sent Advertise G 722 and iSAC Codecs Indicates whether Cisco Unified IP Phones will ...

Page 51: ...ection depends on many variables that are constantly changing This only applies to the wired Ethernet connection Default Normal Switch Port Remote Configuration Allows remote configuration of the speed and duplex for the switch port of the phone which overrides any manual configuration at the phone Be aware that configuring this port may cause the phone to lose network connectivity PC Port Remote ...

Page 52: ... quality of service for the 89 99xx voice and video services Where uncompromised voice video quality is required the dual VPN tunnel solution is recommended Through the use of two VPN tunnels the host Cisco IP Phone is able to provide prioritization of its CPU and memory resources to the data associated with the Phones Voice video functions over that of the data associated with the VXC VPN tunnel ...

Page 53: ...r selected line only Actionable Incoming Call Alert Show an Alert with Answer Divert and Ignore softkeys when there is an incoming call alerting for user to act DF bit Configure the DF bit in IP header Default Line Filter Indicates that the phone will use an alternative line filter rather than all lines as default filter on the phone This option enables you to configure the lines you want to get n...

Page 54: ...bProtocol 0 HTTP and HTTPS 1 HTTPS Only Enable Power Save Plus enablePowerSavePlus 1 7 Sunday Monday Tuesday Wednesday Thursday Friday Saturday Phone On Time phoneOnTime 00 00 24 00 Phone Off Time phoneOffTime 00 00 24 00 Phone Off Idle Timeout phoneOffIdleTimeout 20 1440 Enable Audible Alert enableAudibleAlert false Disabled true Enabled EnergyWise Domain energyWiseDomain domain_name EnergyWise E...

Page 55: ...LLDP PC Port enableLldpPcPort 1 Enabled 0 Disabled LLDP Asset ID lldpAssetId x LLDP Power Priority powerPriority 0 Unknown 1 Low 2 High 3 Critical 802 1x Authentication eapAuthentication 0 User Controlled 1 Disabled 2 Enabled Detect Unified CM Connection Failure detectCMConnectionFailure 0 Normal 1 Delayed Switch Port Remote Configuration SWRemoteConfig 0 Disabled 1 Auto Negotiate 2 10 Half 3 10 F...

Page 56: ...x authentication Set Quality of Service QoS to Platinum Background Image defaultWallpaperFile Wallpaper_file Simplified New Call UI simplifiedNewCall 0 Disabled 1 Enabled Enable VXC VPN for MAC enableVXCVPNForMAC MAC_Address Example FFFFFFFFFFFF VXC VPN Option vxcVpnOption 0 Dual Tunnel 1 Single Tunnel VXC Challenge vxcChallenge 0 Challenge 1 No Challenge VXC M Servers vxcManagers x x x x Revert t...

Page 57: ...n Control Mandatory to Enabled for Voice Set Load Based CAC to Enabled for Voice Enable Traffic Stream Metrics for Voice Set Admission Control Mandatory to Disabled for Video Set EDCA Profile to Voice Optimized or Voice and Video Optimized Set Enable Low Latency MAC to Disabled Ensure that Power Constraint is Disabled Enable Channel Announcement and Channel Quiet Mode Enable CleanAir if utilizing ...

Page 58: ... available and not as many interferers as the 2 4 GHz band has Ensure that the selected SSID is not utilized by any other wireless LANs as that could lead to failures when powering on or during roaming especially if a different security type is utilized In order to utilize CCKM enable WPA2 policy with AES encryption and 802 1x CCKM for authenticated key management type when the Cisco Unified IP Ph...

Page 59: ...secure roaming The WMM policy should be set to Required only if the Cisco Unified IP Phone 9971 or other WMM enabled phones will be using this SSID If there are non WMM clients existing in the WLAN it is recommended to put those clients on another SSID WLAN If non other WMM clients must utilize the same SSID as the Cisco Unified IP Phone 9971 then ensure the WMM policy is set to Allowed Enable 792...

Page 60: ...sabled Configure Client Exclusion as necessary Off Channel Scanning Defer can be tuned to defer scanning for certain queues as well as the scan defer time The Maximum Allowed Clients Per AP Radio can be configured as necessary DHCP Address Assignment Required should be disabled Management Frame Protection should be set to Optional or Disabled For optimal battery performance and quality use a DTIM ...

Page 61: ...p when using 802 1x authentication dot11 ssid voice vlan 21 authentication open eap eap_methods authentication network eap eap_methods authentication key management wpa cckm admit traffic If the Cisco Autonomous Access Point is registered to a WDS Wireless Domain Services server ensure both leap and eap types of authentication are enabled in the WDS configuration ...

Page 62: ...Ensure the Cisco Unified Wireless LAN Controller hostname is configured correctly Enable Link Aggregation LAG if utilizing multiple ports on the Cisco Unified Wireless LAN Controller Configure the desired AP multicast mode In releases prior to 6 0 Aggressive Load Balancing was configured in the General Controller settings In 6 0 and later this is referred to as Client Load Balancing and is configu...

Page 63: ...abled In the recent versions Symmetric Mobility Tunneling is enabled by default and non configurable When multiple Cisco Unified Wireless LAN Controllers are to be in the same mobility group then the IP address and MAC address of each Cisco Unified Wireless LAN Controller should be added to the Static Mobility Group Members configuration ...

Page 64: ...t Preamble should be Enabled in the 2 4 GHz radio configuration setting on the access point when no legacy clients that require a long preamble are present in the wireless LAN By using the short preamble instead of long preamble the wireless network performance is improved Ensure DTPC Support is enabled If using Cisco 802 11n Access Points ensure ClientLink is enabled With the current releases Max...

Page 65: ...ed Wireless LAN Controller s web interface and is only configurable via command line With releases 7 2 103 0 and later use the following commands to enable the beamforming feature globally for all access points or for individual access point radios Cisco Controller config 802 11a beamforming global enable Cisco Controller config 802 11a beamforming ap ap_name enable Cisco Controller config 802 11b...

Page 66: ...er level assignment method for either 5 or 2 4 GHz depending on which frequency band is to be utilized If using automatic power level assignment a maximum and minimum power level can be specified If using 5 GHz it is recommended to enable up to 12 channels only to avoid any potential delay of access point discovery due to having to scan many channels The 5 GHz channel width can be configured for 2...

Page 67: ...s the Cisco Unified IP Phone 9971does not support this channel If using 2 4 GHz only channels 1 6 and 11 should be enabled in the DCA list It is recommended to configure the 2 4 GHz channel for 20 MHz even if using Cisco 802 11n Access Points capable of 40 MHz due to the limited number of channels available in 2 4 GHz ...

Page 68: ...pendently by the phone itself Call Admission Control It is recommended to enable Admission Control Mandatory for Voice and configure the maximum bandwidth and reserved roaming bandwidth percentages for either 5 or 2 4 GHz depending on which frequency band is to be utilized The maximum bandwidth default setting for voice is 75 where 6 of that bandwidth is reserved for roaming clients Roaming client...

Page 69: ...lable for the new voice stream This could potentially result in loss of registration to the Cisco Unified Communications Manager If the client uses UDP for SIP then the access point will snoop the SIP packets when media session snooping is enabled on the WLAN SSID and will sent a 486 busy message to the client which in turn can be interpreted as a Network Busy message and the client could either r...

Page 70: ...nabled Voice tspec inactivity timeout Disabled Video AC Admission control ACM Disabled Voice Stream Size 84000 Voice Max Streams 2 Video max RF bandwidth 25 Video reserved roaming bandwidth 6 The voice stream size and voice max streams values can be adjusted as necessary by using the following command Cisco Controller config 802 11a cac voice stream size 84000 max streams 2 Ensure QoS is setup cor...

Page 71: ...so ensure that the PHY rate configured on the Cisco Unified IP Phone 9971is enabled as a nominal rate in the STREAM configuration of the Cisco Autonomous Access Point It is recommended to use the defaults where 5 5 6 0 11 0 12 0 and 24 0 Mbps are enabled as nominal rates for 802 11b g and 6 0 12 0 and 24 0 Mbps enabled for 802 11a If enabling the STREAM feature either directly or via selecting Opt...

Page 72: ... the number of retransmissions to 2 3 per packet depending on the access point platform so it can cause issues if multiple data rates are enabled LLM is not supported on the Cisco 802 11n Access Points DFS 802 11h In the DFS 802 11h configuration channel announcement and quiet mode should be enabled Power Constraint should be left un configured or set to 0 dB as DTPC will be used by the Cisco Unif...

Page 73: ...oller it does not allow both TPC Power Constraint and DTPC Dynamic Transmit Power Control to be enabled simultaneously Channel Announcement and Channel Quiet Mode should be enabled CleanAir CleanAir should be Enabled when utilizing Cisco Access Points with CleanAir technology in order to detect any existing interferers ...

Page 74: ...l as what RF Profile parameters should be used for the access points assigned to the AP Group On the WLANs tab select the desired SSIDs and interfaces to map to then select Add On the RF Profile tab select the desired 802 11a or 802 11b RF Profile then select Apply If changes are made after access points have joined the AP Group then those access points will reboot once those changes are made ...

Page 75: ...ess points should use RF Profiles are applied to an AP group once created See the AP Groups section for more info on AP Group configuration When creating an RF Profile the RF Profile Name and Radio Policy must be defined Select 802 11a or 802 11b g for the Radio Policy On the 802 11 tab configure the data rates as desired Is recommended to enable 12 Mbps as Mandatory and 18 54 Mbps as Supported ho...

Page 76: ...e 76 On the RRM tab the Maximum Power Level Assignment and Minimum Power Level Assignment settings as well as other TPC and Coverage Hole Detection settings can be configured On the High Density tab Maximum Clients and Multicast Data Rates can be configured ...

Page 77: ...ess points configured for FlexConnect mode need to be added to a FlexConnect Group If utilizing CCKM then seamless roams can only occur when roaming to access points within the same FlexConnect Group Multicast Direct In the Media Stream settings Multicast Direct feature should be enabled ...

Page 78: ... enabled then there will be an option to enable Multicast Direct in the QoS menu of the WLAN configuration QoS Profiles Configure the four QoS profiles Platinum Gold Silver Bronze by selecting 802 1p as the protocol type and set the 802 1p tag for each profile Platinum 5 Gold 4 Silver 2 Bronze 1 ...

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Page 82: ...shold is defined on the client side which is set to 45 QBSS is also a part of 802 11e which is on a 0 255 scale and is CCA based So this gives a true representation on how busy the channel is The max threshold is also defined on the client side which is set to 105 The second version from Cisco is based on the 802 11e version but allows the default max threshold of 105 to be optionally configured E...

Page 83: ...value CCKM Timestamp Tolerance As of the 7 0 98 218 release the CCKM timestamp tolerance is configurable In previous releases the CCKM timestamp tolerance was set to 1000 ms and non configurable The default CCKM timestamp tolerance is still set to 1000 ms in the later releases It is recommended to adjust the CCKM timestamp tolerance to 5000 ms to optimize the Cisco Unified IP Phone 9971 roaming ex...

Page 84: ...se which was enabled by default and non configurable As of the 4 2 207 0 5 2 193 0 and 6 0 182 0 releases this feature is disabled by default but can be enabled optionally To view the Auto Immune configuration on the Cisco Unified Wireless LAN Controller telnet or SSH to the controller and enter the following command Cisco Controller show wps summary Auto Immune Auto Immune Disabled Client Exclusi...

Page 85: ...ault timeout on the Cisco ACS server is 20 seconds To change the EAP Request Timeout on the Cisco Unified Wireless LAN Controller telnet or SSH to the controller and enter the following command Cisco Controller config advanced eap request timeout 30 If using WPA WPA2 PSK then it is recommended to reduce the EAPOL Key Timeout to 400 milliseconds from the default of 1000 milliseconds with EAPOL Key ...

Page 86: ...enabled and non configurable For Cisco Autonomous Access Points enter dot11 arp cache optional TKIP Countermeasure Holdoff Time TKIP countermeasure mode can occur if the access point receives two message integrity check MIC errors within a 60 second period When this occurs the access point will de authenticate all TKIP clients associated to that 802 11 radio and holdoff any clients for the counter...

Page 87: ...are directly connected to The network ID in the SSID configuration the Cisco Autonomous Access Point should only be disabled if Layer 3 mobility is enabled where the Wireless LAN Services Module WLSM is deployed Configuring the Cisco Unified IP Phone 9971 To configure the Wi Fi settings on the Cisco Unified IP Phone 9971 use the keypad and touch screen to navigate to Applications Button Administra...

Page 88: ...and Shared Key security modes require that the static WEP settings be entered Key Style Key Size Characters ASCII 40 64 bit 5 ASCII 104 128 bit 13 HEX 40 64 bit 10 0 9 A F HEX 104 128 bit 26 0 9 A F The AKM security mode is an auto authentication mode that can use either LEAP for 802 1x authentication or WPA Pre Shared Key If using Pre Shared key enter the ASCII or hexadecimal formatted key Key St...

Page 89: ...EAP FAST or AKM If using 802 1x authentication via LEAP EAP FAST or AKM authenticated key management authentication modes then a username and password must be configured AKM mode will use LEAP as the 802 1x method WEP128 is listed as WEP104 on the Cisco Unified Wireless LAN Controllers For more information refer to the Configuring Settings on the Cisco Unified IP Phone 9971 in the Cisco Unified IP...

Page 90: ...ooth then select the left softkey On Ensure the system administrator has enabled Bluetooth 3 Select the Add Accessory softkey in Applications Preferences when Bluetooth is selected or Add Bluetooth Accessory in Applications Accessories ensure the Bluetooth headset is in pairing mode 4 Select Connect after the Bluetooth headset is discovered 5 Enter the Bluetooth passkey if prompted will attempt to...

Page 91: ...d then a few items can be configured Auto Transmit Video Brightness View Area Auto Transmit Video determines if the phone is to start streaming video immediately at the beginning of the call or not assuming the far end device has video capabilities Configuring View Area determines if the video sent is to be zoomed in or out Brightness can also be configured to accommodate for the current working e...

Page 92: ...nager For information on how to install the COP file refer to the Cisco Unified Communications Manager Operating System Administrator Guide at this URL http www cisco com en US products sw voicesw ps556 prod_maintenance_guides_list html During TFTP server download the configuration file is parsed and the device load is identified The Cisco Unified IP Phone 9971 then downloads the firmware files to...

Page 93: ...erver flash kern9971 9 4 1SR1 2 sebn tftp server flash sboot9971 031610R1 9 4 1SR1 2 sebn tftp server flash skern9971 022809R2 9 4 1SR1 2 sebn tftp server flash dkern9971 100609R2 9 4 1SR1 2 sebn tftp server flash rootfs9971 9 4 1SR1 2 sebn telephony service load 9971 sip9971 9 4 1SR1 2 loads Troubleshooting Device Information The Cisco Unified IP Phone 9971 provides device information where netwo...

Page 94: ...p The Cisco Unified IP Phone 9971 provides network setup information where network and Cisco Unified Communications Manager information is displayed Browse to the web interface http x x x x of the Cisco Unified IP Phone 9971 then select Network Setup to view this information ...

Page 95: ...nified IP Phone 9971 will only show the current access point no neighbor list To view go to the Applications Button Administrator Settings Status Current Access Point The Cisco Unified IP Phone 9971 is constantly scanning regardless of current signal or call state to discover new access points ...

Page 96: ...Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide 96 As of the 9 0 2 release the Current Access Point information can also be seen in the phone s web interface ...

Page 97: ...select WLAN Statistics to view this information Streaming Statistics The Cisco Unified IP Phone 9971 provides call statistic information where MOS jitter and packet counters are displayed The MOS value should be greater than or equal to 4 0 when using G 722 or G 711 A MOS value of 3 8 is the highest possible value when using G 729 Browse to the phone s web interface https x x x x then select Strea...

Page 98: ...one 9971 chapter in the Cisco Unified IP Phone 9971 Administration Guide at this URL http www cisco com en US products ps10453 prod_maintenance_guides_list html Device Logs Console logs core dumps status messages for troubleshooting purposes can be obtained from the web interface of Cisco Unified IP Phone 9971 Browse to the web interface http x x x x of Cisco Unified IP Phone 9971 then select the ...

Page 99: ...ll be gathered by the AP and escalated to the WLAN management system which will help maintain a database that can be used for the benefit of the stations by ensuring low packet latency and loss Check the box Metrics Collection in the global 802 11 Voice Parameters to enable Traffic Stream Metrics See the Call Admission Control Settings section for further information on how to enable TSM To view T...

Page 100: ... Deployment Guide 100 WLAN Signal Indicator As of the 9 0 2 release the WLAN status indicator will be visible in all menus within Administrator Settings In the initial release the WLAN signal indicator was only visible in the WLAN Setup menu ...

Page 101: ...ot where x x x x is the IP address of the Cisco Unified IP Phone 9971 At the prompt enter the username and password for the account that the Cisco Unified IP Phone is associated to in Cisco Unified Communications Manager Healthcare Environments This product is not a medical device and uses an unlicensed frequency band that is susceptible to interference from other devices or equipment Accessories ...

Page 102: ...information on Jawbone ICON for Cisco Bluetooth Headset refer to the following URL http www cisco com en US prod collateral voicesw ps6788 phones ps10655 ps11204 C78 615196 00_Jawbone_ICON_Cisco_Bluetooth_Headset_DS pdf 3rd Party Accessories Bluetooth Headsets www plantronics com www jabra com www jawbone com www vxicorp com www motorola com ...

Page 103: ...tml Cisco Unified Communications Manager Express http www cisco com en US partner products sw voicesw ps4625 tsd_products_support_series_home html Cisco Voice Software http software cisco com download navigator html mdfid 278875240 Cisco Unified IP Phone Services Application Development Notes http www cisco com en US products sw voicesw ps556 products_programming_reference_guides_list html Real Ti...

Page 104: ...ers Networking Academy Network Registrar PCNow PIX PowerPanels ProConnect ScriptShare SenderBase SMARTnet Spectrum Expert StackWise The Fastest Way to Increase Your Internet Quotient TransPath WebEx and the WebEx logo are registered trademarks of Cisco Systems Inc and or its affiliates in the United States and certain other countries Cisco and the Cisco logo are trademarks or registered trademarks...

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