Feature Description Guide
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Speakerphone
mode
Users,
phones, and
extensions
Speakerphone mode allows you to talk and listen hands-free (without using a handset or headset). It is typically
activated by pressing the Speakerphone button on an IP phone. Conference phones such as the Cisco Unified IP
Phone 7936 and 7937G use speakerphone for all calls. Speakerphones on lower-end Cisco Unified IP Phone
7906G and 7911G model phones allow you to hear audio only.
Speed dialing
Users,
phones, and
extensions
Speed dial allows you to quickly dial a number from a list. The different types of speed dial include local speed-
dial menu, personal speed-dial menu, and speed-dial buttons. The local speed-dial menu is configured by the
administrator and is shared between all IP phones on the system. You can configure personal speed dials and
speed-dial buttons on your individual IP phones.
SRTP
Voice-system
features
Media encryption (SRTP) encrypts the voice media for calls made between IP phones registered to the same
Cisco Unified Communications 500, without the need for a dedicated VPN tunnel.
Station volume
controls
Users,
phones, and
extensions
You can adjust the volume for your incoming call ringer and phone speaker. You can also adjust the outgoing
volume of the phone microphone on a hands-free call.
Support for
caller ID
information in
incoming
messages
Users,
phones, and
extensions
The Cisco Unified Communications 500 can play back the caller ID number of the caller who recorded the
message, when you listen to new voicemail messages.
Support for
multiple
languages
Voice-system
features
You can install multiple concurrent languages on a single Cisco Unified Communications 500. The IP phone
display and voicemail prompts can be different on a per-user basis.
Support for
vCard
information
from remote
subscribers
Voice-system
features
This feature permits vCard information from remote subscribers to update their directory entries.
System
message
display
Voice-system
features
This feature allows you to specify a custom text or display message to appear in the lower part of the display
window on your IP phones. If you do not set a custom text or display message, the default message “UC5X0” is
displayed.
Teleworker
remote phones
Voice-system
features
IP phones or instances of Cisco IP Communicator can be connected to a Cisco Unified Communications 500
over a VPN connection to support teleworkers who are at remote locations from the application. Cisco IP
Communicator Softphones can connect to the Cisco Unified Communications 500 over a VPN tunnel
established using Cisco VPN client installed on a PC. Hardware IP phones connect to the Cisco Unified
Communications 500 over a VPN tunnel established using a Cisco Secure Router 500 Series teleworker router
The product data sheet is at
http://www.cisco.com/cisco/web/solutions/small_business/products/routers_switches/500_series_secure_router
s/index.html
. The Cisco Unified Communications 500 supports a maximum of 10 teleworker sites, with a
maximum of 5 teleworker phones at each site.
The VPN client on Cisco SPA525G IP phones can be configured through the Cisco Configuration Assistant Phone
VPN Setup Wizard and deployed at remote sites.
T1/E1 digital
trunk interface
Voice-system
features
This feature provides PBX support for direct digital trunk interfaces, such as ISDN PRI and T1 or E1 CAS circuits.
T1 CAS
(channel
associated
signaling)
Voice-system
features
CAS is also referred to as robbed-bit signaling. In this type of signaling, the least significant bit of information in a
T1 signal is “robbed” from the channels that carry voice and is used to transmit framing and clocking information.
This protocol is sometimes called “in-band” signaling. CAS is a method of signaling each traffic channel rather
than having a dedicated signaling channel (such as ISDN). In other words, the signaling for a particular traffic
circuit is permanently associated with that circuit. The most common forms of CAS signaling are loopstart and
groundstart. In addition to receiving and placing calls, CAS signaling also processes the receipt of Dialed Number
Identification Service (DNIS) and automatic-number-identification (ANI) information.
Time zones
Voice-system
features
Support for time zones on the Cisco Unified Communications 500 allows the correct time and date information to
be displayed on IP phones and played back on the voicemail. Correct time-zone information is also essential for
integration with applications that use time information, such as Cisco WebEx
™
PhoneConnect.
Toll-fraud
prevention
Voice-system
features
The Cisco Unified Communications 500 implements several security features to prevent unauthorized phones
from both internal and external users when using the Cisco Configuration Assistant tool for configuration.
Toll
restrictions
Voice-system
features
This feature allows you to prevent specified phones from making long-distance (toll) calls.
Touchscreen
Users,
phones, and
extensions
You can press the phone screen to choose menu items, softkeys, and feature tabs (on Cisco Unified IP Phones
with touch-sensitive phone screens).
Trace
(debugging)
Voice-system
features
Real-time troubleshooting tools are available through on-demand debugs for the Cisco Unified Communications
500 and within Cisco Configuration Assistant 2.1 and later.
Transcoder
resources
Voice-system
features
This feature provides translation of RTP streams from one codec format into another.
Transfer
Users,
phones, and
extensions
When you are connected to another party, call transfer allows you to shift the connection of the other party to a
different number. The transferred call (transferee) and transfer destination (transfer-to) can be a local extension or
PSTN number. On the Cisco Unified Communications 500, IP phones, analog phones, and Auto Attendant can
initiate call transfers.