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FIRMWARE 1.0.3.4 

GXW4248 USER MANUAL 

PAGE 42 OF 54  

 

 

 

 

Preferred DTMF 

method (in listed 

order) 

The  GXW4248  supports up to 3  different  DTMF methods including  in-audio, via RTP 

(RFC2833) and via Sip Info.  The user can configure DTMF method in a priority list. 

Disable DTMF 

Negotiation 

Default is 

No

. If set to yes, use above DTMF order without negotiation 

DTMF Payload 

Type 

Sets the payload type for DTMF using RFC2833. 

Preferred Vocoder 

The  GXW4248  supports up to 5 different Vocoder types including G.711 A-/U-law, G.726 

(Supports bit rates 16, 24, 32 and 40), G.723.1, G.729A/B, iLBC.  The user can configure 

Vocoders in a preference list that will be included with the same preference order in SDP 

message.  The first Vocoder is entered by choosing the appropriate option in “Choice 1”.  The 

last Vocoder is entered by choosing the appropriate option in “Choice 8”. 

Voice Frames per 

TX 

Number of the frame size when it transmits. Default is 

2

, from 1 -4 for G711/G726/G729 

G723 Rate 

Defines the encoding rate for G.723 vocoder. By default, 6.3kbps rate is chosen. 

G726-32 Packing 

Mode 

Choose the packing mode for G726-32 

iLBC Frame Size 

Sets the iLBC frame size in 20ms or 30ms 

iLBC Payload type 

Default value is

 97

. Defines payload type for iLBC. The valid range is between 96 and 127. 

AAL2-G726-16 

Payload type 

Default value is

 100

. Range is from 96 to 127.  

AAL2-G726-24 

Payload type 

Default value is 

99

. Range is from 96 to 127. 

AAL2-G726-32 

Payload type 

Default value is 

104

. Range is from 96 to 127. 

AAL2-G726-40 

Payload type 

Default value is 

103

. Range is from 96 to 127. 

Use First 

Matching Vocoder 

in 200OK SDP 

Default is 

No

. If set to “Yes”,  device will include only the first match vocoder in its 200OK 

response, otherwise it will include all match vocoders in same order received in INVITE. 

Содержание GXW4248

Страница 1: ...GXW42XX User Manual www grandstream com Firmware Version 1 0 0 49 support grandstream com Grandstream Networks Inc Analog IP Gateway GXW4248 ...

Страница 2: ...4248 FEATURES 13 SOFTWARE FEATURES OVERVIEW 13 HARDWARE SPECIFICATION 14 GXW4248 LCD MENU 15 FIGURE 3 LCD MENUBASIC OPERATIONS 16 BASIC OPERATIONS 17 UNDERSTANDING GXW VOICE PROMPTS 17 PLACING A PHONE CALL 18 PHONE OR EXTENSION NUMBERS 18 DIRECT IP CALLS 19 CALL HOLD 20 CALL WAITING 20 CALL TRANSFER 20 BLIND TRANSFER 20 ATTENDED TRANSFER 21 3 WAY CONFERENCING 21 HUNTING GROUP 21 INTER PORT CALLING...

Страница 3: ...29 PREFERRED VOCODER CODEC 29 SAVING THE CONFIGURATION CHANGES 48 REBOOTING FROM REMOTE 49 CONFIGURATION THROUGH A CENTRAL SERVER 49 SOFTWARE UPGRADE 50 FIRMWARE UPGRADE THROUGH TFTP HTTP HTTPS 50 INSTRUCTIONS FOR LOCAL FIRMWARE UPGRADE 51 CONFIGURATION FILE DOWNLOAD 51 FIRMWARE AND CONFIGURATION FILE PREFIX AND POSTFIX 52 MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD 52 RESTORE FACTORY DEFAUL...

Страница 4: ...e 5 Definitions of the GXW Voice Prompts 17 Table 6 Call Features Table Star Code 25 Table 7 Status 30 Table 8 Maintenance 31 Table 9 Advanced settings 36 Table 10 Profiles 37 Table 11 FXS Ports 48 CONFIGURATION GUI INTERFACE EXAMPLES GXW4248 User Manual http www grandstream com products gxw_series GXW42xx documents GXW42xx_gui zip 1 SCREENSHOT OF ADVANCED SETTINGS CONFIGURATION PAGE 2 SCREENSHOT ...

Страница 5: ...der the GNU General Public License GPL Grandstream uses software under the specific terms of the GPL Please see the GNU General Public License GPL for the exact terms and conditions of the license Grandstream GNU GPL related source code can be downloaded from Grandstream web site from http www grandstream com support faq gnu_gpl ...

Страница 6: ...E 6 OF 54 CHANGE LOG This section documents significant changes from previous versions of GXW4248 user manuals Only major new features or major document updates are listed here Minor updates for corrections or editing are not documented here ...

Страница 7: ... solution for the small medium business or enterprise GATEWAY GXW4248 OVERVIEW The new GXW4248 has a compact and quiet design and offers superb audio quality rich feature functionality strong security protection and good manageability It is auto configurable remotely manageable and scalable The GXW4248 features 48 port FXS interface for analog telephones dual 10 100 1000Mbps network ports and RJ21...

Страница 8: ...he warranty policy without prior notification Caution Changes or modifications to this product not expressly approved by Grandstream or operation of this product in any way other than as detailed by this User Manual could void your manufacturer warranty Reproduction or transmittal of the entire or any part in any form or by any means electronic or print for any purpose without the express written ...

Страница 9: ...r 4 steps to connect your GXW4248 gateway to the Internet and access the unit s configuration pages 1 Connect standard touch tone analog phones to the GXW4248 s RJ21 port with a RJ11 to R21 cable 2 Insert an RJ45 Ethernet cable into the WAN port of GXW4248 and connect the other end to an uplink port a router or a modem etc 3 Plug the power adapter into the GXW4248 gateway into a power outlet Follo...

Страница 10: ...achines with an RJ21 to RJ11 cable FXS ports FXS port to be connected to analog phones fax machines Note Once the GXW4248 is turned on and configured the front display panel indicates the status of the unit TABLE 2 DEFINITIONS OF THE GXW DISPLAY PANEL Act LED Remains ON if plug the network cable LINK LED Indicates Ethernet port activity FXS LED Indicate status of the respective FXS Ports on the ba...

Страница 11: ...10 RING10 35 TIP10 11 RING11 36 TIP11 12 RING12 37 TIP12 13 RING13 38 TIP13 14 RING14 39 TIP14 15 RING15 40 TIP15 16 RING16 41 TIP16 17 RING17 42 TIP17 18 RING18 43 TIP18 19 RING19 44 TIP19 20 RING20 45 TIP20 21 RING21 46 TIP21 22 RING22 47 TIP22 23 RING23 48 TIP23 24 RING24 49 TIP24 FIGURE 2 50 PIN TELCO CONNECTOR NOTE The last pair of pin 25 and 50 on each RJ21 is not connected All LED lights di...

Страница 12: ...lowing status indicate different network speed 10M LINK and ACT all blink ACT blinks faster then LINK 100M LINK and ACT all blink ACT blinks the same fast as LINK 1000M LINK does not blink only ACT blink Slow blinking of FXS LED together indicates a firmware upgrade or provisioning state ...

Страница 13: ...t ports 4 configurable SIP profiles Supports Voice Codecs G711 a µ Annex I II G723 1A G726 ADPCM with 16 24 32 40 bit rates G729 A B iLBC T 38 Fax Comprehensive Dial Plan support for Outgoing calls G 168 Echo Cancellation Voice Activation Detection VAD Comfort Noise Generation CNG and Packet Loss Concealment PLC Supports PSTN PBX analog telephone sets or analog trunks TABLE 3 GXW4248 SOFTWARE FEAT...

Страница 14: ...y up to 14 4kpbs and auto switch to G 711 for Fax Pass through Fax Datapump V 17 V 21 V 27ter V 29 for T 38 fax relay QoS DiffServ TOS 802 1P Q VLAN tagging Transport Protocol RTP RTCP DTMF Method In audio RFC2833 and or SIP Info IP Signaling SIP RFC 3261 Provisioning TFTP HTTP HTTPS Security SRTP IPSEC TLS SIPS HTTPS 802 1x Management Syslog support HTTP and Telnet access Dial Plan Yes 3 Way Conf...

Страница 15: ...ounting Desktop and Rack mount Onhook Voltage Fixed 48V Ring Voltage 50Vrms balanced ringing Ring Frequency 20 50Hz Short Haul Loop 2REN up to 6000ft on 24 AWG wire Outdoor Protection Over voltage Protection and surge immunity Signaling FXS Loop start EMC EN55022 EN55024 and FCC part15 Class B Safety UL Compliance FCC CE C Tick GXW4248 LCD MENU The GXW4248 gateway includes a small LCD screen for t...

Страница 16: ...FIRMWARE 1 0 3 4 GXW4248 USER MANUAL PAGE 16 OF 54 FIGURE 3 LCD MENU ...

Страница 17: ...rough menu 002 to 005 If user selects Dynamic IP Mode the device will retrieve all IP address information from DHCP server automatically when user reboots the device 002 IP Address IP address The current WAN IP address is announced Enter 12 digit new IP address if in Static IP Mode 003 Subnet IP address Same as Menu option 002 004 Gateway IP address Same as Menu option 002 005 DNS Server IP addres...

Страница 18: ...n in factory 700 Ring all ports and connect to first port pick up the call 701 748 Call individual port Invalid Entry Automatically returns to Main Menu Five Success Tips when using the Voice Prompt 1 shifts down to the next menu option 2 returns to the main menu 3 9 functions as the ENTER key in many cases to confirm an option 4 All entered digit sequences have known lengths 2 digits for menu opt...

Страница 19: ...blic or private IP addresses with necessary port forwarding or DMZ GXW4248 supports two ways to make Direct IP Calling Using IVR 1 Pick up the analog phone then access the voice menu prompt by dial 2 Dial 047 to access the direct IP call menu 3 Enter the IP address using format ex 192 168 0 160 after the dial tone Using Star Code 1 Pick up the analog phone then dial 47 2 Enter the target IP addres...

Страница 20: ... presses FLASH on the analog phone to hear the dial tone 4 Caller A dials 87 then dials caller C s number and then or wait for 4 seconds 5 Caller A will hear the confirm tone Then A can hang up NOTE Enable Call Feature must be set to Yes in web configuration page Caller A can place a call on hold and wait for one of three situations 1 A quick confirmation tone similar to call waiting tone followed...

Страница 21: ...a conference 1 A presses FLASH on the analog phone or Hook Flash for old model phones to get a dial tone 2 A dials C s number then or wait for 4 seconds 3 If C answers the call then A presses FLASH to bring B C in the conference 4 If C does not answer the call A can press FLASH back to talk to B 5 If A presses FLASH during conference C will be dropped out 6 If A hangs up the conference will be ter...

Страница 22: ... group associated with port 1 This configuration will route all calls directed to FXS port 1 to ports 2 3 and or 4 in round robin fashion respectively if port 1 is busy or times out You can configure the ring timeout on the Profile page Example configuration of a multiple Hunting Group FXS Port 1 SIP UserID and Authenticate ID entered Hunting group set to Active FXS Port 2 SIP UserID and Authentic...

Страница 23: ...t to 2 FXS Port 24 SIP UserID and Authenticate ID left blank Hunting Group set to 2 Note A single call directed to the SIP account will NOT result in all ports ringing at the same time They will ring in the hunting group only This feature is applicable to incoming calls only There are two types of hunting groups Linear and Circular Linear style will sort the call to the lowest numbered available l...

Страница 24: ...ADIUS server configurations are available to provide redundancy to this feature In case Primary Radius server becomes unusable RADIUS requests will be automatically sent to the secondary server When at least one RADUIS server was configured the device will allow users to make phone calls only after authorization from RADIUS server has been received CDR Call Detail Record is also sent to the RADIUS...

Страница 25: ...47 IP address No dial tone will be played in the middle Detail see Direct IP Calling section on page 12 50 Disable Call Waiting for all config change 51 Enable Call Waiting for all config change 69 Call Return Service Dial 69 and the phone will dial the last incoming phone number received 70 Disable Call Waiting Per Call 71 Enable Call Waiting Per Call 72 Unconditional Call Forward Dial 72 and the...

Страница 26: ... Wait for dial tone Hang up 92 Delayed Call Forward Dial 92 and then the forwarding number followed by Wait for dial tone then hang up 93 Cancel Delayed Call Forward Dial 93 for a dial tone then hang up Flash Hook If user hears call waiting beep flash hook will switch to the new incoming call Also used to switch to a new channel for a new call Pressing pound sign will serve as Re Dial key ...

Страница 27: ...ect voice menu option 013 to configure the IP address of the firmware server CONFIGURATION SERVER IP ADDRESS Select voice menu option 014 to configure the IP address of the configuration server UPGRADE PROTOCOL Select voice menu option 015 to choose firmware and configuration upgrade protocol User can choose between TFTP HTTP and HTTPS FIRMWARE UPGRADE MODE Select voice menu option 017 to choose f...

Страница 28: ...screen There are two default passwords for the login page User Level Password Web pages allowed End User Level 123 Only Status and Basic Settings Administrator Level admin Browse all pages The password is case sensitive with maximum length of 25 characters The factory default password for End User and administrator is 123 and admin respectively Only an administrator can access the ADVANCED SETTING...

Страница 29: ...MF via SIP INFO You can enable set priority of DTMF methods according to your preference from Priority 1 to 3 This setting should be based on your server DTMF setting PREFERRED VOCODER CODEC The GXW4248 supports a broad range of voice codecs Under Profile web pages choose your preferred order of different codecs PCMU A or G711µ a G729 G723 G726 16 24 32 40 iLBC AAL2 all G726 This section will desc...

Страница 30: ...ram This is the main software release This number is always used for firmware upgrade current version is 1 0 3 4 Boot current version is 1 0 3 2 Core current version 1 0 3 3 Base current version is 1 0 3 4 System Up Time Shows system uptime since the last reboot System Time The time according to NTP server Service Status Shows the status of the VOIP applications Network Status MAC Address The devi...

Страница 31: ...tion 12 Specifies the name of the client This field is optional but may be required by Internet Service Providers DHCP Domain Specifies the DHCP Domain This value is optional but may be required by Internet Service Providers Vendor Class ID Option 60 Used by clients and servers to exchange vendor class ID Static IP Settings Configure IP Address Subnet Mask Gateway DNS Server 1 and DNS Server 2 QoS...

Страница 32: ...thenticate withthe HTTP HTTPS server HTTP HTTPS Password The password needed to authenticate with the HTTP HTTPS server Upgrade via Allows users to choose the firmware upgrade method via TFTP HTTP or HTTPS Firmware Server Path IP address or domain name of firmware server That URL of the server that hosts the firmware release The default server is fm grandstream com gs Config Server Path IP address...

Страница 33: ...om unauthorized modifications Firmware Key For firmware encryption It should be 32 digit in Hexadecimal Representation End user should keep it blank Web Telnet Access Web Port By default HTTP uses port 80 This field is for customizable web port Disable Telnet If set to Yes telnet access will be disabled Default is No User Password Set new password for web GUI access as User This field is case sens...

Страница 34: ... requests will be automatically sent to the secondary server When at least one RADUIS server was configured the device will allow users to make phone calls only after authorization from RADIUS server has been received CDR Call Detail Record is also sent to the RADIUS server for billing purposes RAIDUS server can send requests to terminate calls when run out of pre paid credit Primary RADIUS Authen...

Страница 35: ...on the unit Note For Security Reasons all Passwords won t be Downloaded Date and Time NTP Server URI or IP address of the NTP Network Time Protocol server Used by the phone to synchronize the date and time An extensive list of public NTP servers can be found at http www ntp org NTP Update Interval Defines the update interval in minutes to obtain the date and time from the server Time Zone Configur...

Страница 36: ...otiated codec INFO level 8 Ethernet link up INFO level 9 SLIC chip exception WARNING and ERROR levels 10 memory exception ERROR level The Syslog uses USER facility In addition to standard Syslog payload it contains the following components GS_LOG device MAC address error code error message Example May 19 02 40 38 192 168 1 14 GS_LOG 00 0b 82 00 a1 be 000 Ethernet link is up Print SIP in Syslog Ena...

Страница 37: ...determine your local call progress tones http www itu int ITU T inr forms files tones 0203 pdf FXO Failover Failover to FXO Gateway Enable or disable the Failover FXO Gateway FXO Gateway IP IP Address or URI of the FXO gateway System Features Disable Direct IP Call Disables the Direct IP Call function Default is No If set to Yes direct IP to IP calling will not be supported Disable SIP NOTIFY Auth...

Страница 38: ...o look up server The default value is A Record Primary IP Configures the primary IP address where the phone sends DNS query to when Use Configured IP is selected for DNS mode Backup IP 1 Configures the backup IP 1 address where the phone sends DNS query to when Use Configured IP is selected for DNS mode Backup IP 2 Configures the backup IP 2 address where the phone sends DNS query to when Use Conf...

Страница 39: ...nd 5 will be able to place outbound calls using the SIP account of port 1 even if Outgoing Call without Registration is set to No Register Expiration Allows the user to specify the time frequency in minutes for the GXW4248 to refresh its registration with the specified registrar The default interval is 60 minutes or 1 hour The maximum interval is 65535 minutes about 45 days SIP Registration Failur...

Страница 40: ... SIP Settings Session Timer Session Expiration Grandstream implemented SIP Session Timer The session timer extension enables SIP sessions to be periodically refreshed via a SIP request UPDATE or re INVITE When the session interval expires if there is no refresh via a UPDATE or re INVITE message the session will be terminated Session Expiration is the time in seconds at which the session is conside...

Страница 41: ...URI of the incoming INVITE If it doesn t match the phone s SIP User ID the call will be rejected Direct IP calling will also be disabled Authenticate Incoming INVITE If set to Yes the phone will challenge the incoming INVITE for authentication with SIP 401 Unauthorized response Fax Settings Fax Mode T 38 Auto Detect FoIP by default or Pass Through must use codec PCMU PCMA Fax Tone Detection Mode D...

Страница 42: ...der is entered by choosing the appropriate option in Choice 8 Voice Frames per TX Number of the frame size when it transmits Default is 2 from 1 4 for G711 G726 G729 G723 Rate Defines the encoding rate for G 723 vocoder By default 6 3kbps rate is chosen G726 32 Packing Mode Choose the packing mode for G726 32 iLBC Frame Size Sets the iLBC frame size in 20ms or 30ms iLBC Payload type Default value ...

Страница 43: ...ms Low initial 50ms min 10ms max 100ms SLIC Setting Depends on standard phone type and location Caller ID Scheme Select the value according to the local Telco standard where the GXW4248 is installed Please refer to the pull down list to select Polarity Reversal Default is No If set to Yes polarity will be reversed upon call establishment and termination Loop Current Disconnect Set to Yes if the tr...

Страница 44: ...ct Call Settings Early Dial Default is No Use only if proxy supports 484 response This parameter controls whether the phone will send an early INVITE each time a key is pressed when a user dials a number If set to Yes an INVITE is sent using the dial number collected thus far Otherwise no INVITE is sent until the Re Dial button is pressed or after about 5 seconds have elapsed if the user forgets t...

Страница 45: ...rs of leading digit 1 and leading exchange number between 2 and 9 If leading digit is 2 replace leading digit 2 with 011 before dialing 3 Default Outgoing x Example of a simple dial plan used in a Home Office in the US 1900x 1617 2 9 xxxxxx 1 2 9 xx 2 9 xxxxxx 011 2 9 x 3469 11 Explanation of example rule reading from left to right 1900x prevents dialing any number started with 1900 1617 2 9 xxxxx...

Страница 46: ...one Default is No This is to disable the stutter Call Waiting Tone when a Call Waiting call arrives The CWCID will still be displayed Disable Receiver Offhook Tone Default is No If YES ROH tone will not be played after off hook for 60 seconds Disable Reminder Ring for On Hold Call Default is No This is to disable the Reminder Ring that is played when a call is waiting on hold and the analog phone ...

Страница 47: ...rst line Lines are skipped if they are still busy on a previous call These two hunting styles can be configured from the Profile_x page Hunting Group Ring Timeout Default is 20 seconds If call is not answered within this designated time period the call will be forwarded to the next member of a Hunt Group Special Feature Default is Standard Choose the selection to meet some special requirements fro...

Страница 48: ...e the FXS port Advanced Port Settings Offhook Auto dial Configure an auto dial number when offhook Hunting Group Assign this port to a certain hunting group FXO Mapping Map to FXO Port This is used only when peering with a Grandstream GXW410x Default 1 Supported values are 1 8 meaning line 1 to 8 of the GXW410x device where the port will be mapped to Map to FXO Gateway IP This is used when peering...

Страница 49: ...tion and service provisioning of individual devices remotely from a central server Grandstream provides a central provisioning system GAPS Grandstream Automated Provisioning System to support automated configuration of Grandstream devices GAPS uses enhanced NAT friendly TFTP or HTTP thus no NAT issues and other communication protocols to communicate with each individual Grandstream device for firm...

Страница 50: ...mware server URL is firmware grandstream com For large companies we recommend to maintain their own TFTP HTTP HTTPS server for upgrade and provisioning procedures Once a Firmware Server Path is set user needs to update the settings and reboot the device If the configured firmware server is found and a new code image is available the GXW will attempt to retrieve the new image files by downloading t...

Страница 51: ...N FILE DOWNLOAD Grandstream SIP Device can be configured via Web Interface as well as via Configuration File through TFTP or HTTP HTTPS Config Server Path is the TFTP or HTTP HTTPS server path for configuration file It needs to be set to a valid URL either in FQDN or IP address format The Config Server Path can be same or different from the Firmware Server Path A configuration parameter is associa...

Страница 52: ...ctory In addition when the field Check New Firmware only when F W pre suffix changes is selected the device will only issue firmware upgrade request if there are changes in the firmware Prefix or Postfix MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD When Automatic Upgrade is set to Yes Service Provider can use P193 to have the devices periodically check with either Firmware Server or Config Se...

Страница 53: ...steps 1 Unplug the Ethernet cable 2 Locate a needle sized hole on the back panel of the gateway unit next to the power connection 3 Insert a pin in this hole and press for more than 4 seconds 4 Take out the pin All unit settings are restored to factory settings IVR COMMAND Reset default factory settings using the IVR Prompt Table 5 1 Dial for voice prompt 2 Enter 099 and wait for reset voice promp...

Страница 54: ...he MAC address is 000b8200e395 it should be keyed in as 0002228200333395 NOTE 1 Factory Reset will be disabled if the Lock keypad update is set to Yes 2 If still have difficulties to get access to the device pushing the reset button during booting up will trigger the RECOVERY MODE and device will use static IP 192 168 1 234 24 You may need a direct connection to access the configuration page ...

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