Cisco 7800 Series Administration Guide

Vertical Service Announcement Codes
DescriptionParameter
Defaults to blank.Service Annc Base Number
Defaults to blank.Service Annc Extension Codes
Outbound Call Codec Selection Codes
DescriptionParameter
Makes this codec the preferred codec for the
associated call.
Defaults to *017110.
Prefer G711u Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *027110.
Force G711u Code
Makes this codec the preferred codec for the
associated call.
Defaults to *017111
Prefer G711a Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *027111.
Force G711a Code
Makes this codec the preferred codec for the
associated call.
Defaults to *01722.
Only one G.722 call at a time is allowed. If a
conference call is placed, a SIP re-invite message is
sent to switch the calls to narrowband audio.
Prefer G722 Code
Makes this codec the only codec that can be used for
the associated call.
Defaults to *02722.
Only one G.722 call at a time is allowed. If a
conference call is placed, a SIP re-invite message is
sent to switch the calls to narrowband audio.
Force G722 Code
Makes this codec the preferred codec for the
associated call.
Prefer G722.2 Code
Makes this codec the only codec that can be used for
the associated call.
Force G722.2 Code
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
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Cisco IP Phone Troubleshooting
Vertical Service Announcement Codes

Cisco 7800 Series Specifications

General

Wireless	No
Video Support	No
PoE	Yes, 802.3af/at
Audio Codec Support	G.711, G.722, G.729, iLBC
Network Protocols	SIP, SDP, IPv4, IPv6, UDP, TCP, DNS, TFTP, HTTP, HTTPS, DHCP
Security Features	802.1X, TLS, SRTP
Power Options	PoE
Headset Port	3.5mm
Buttons	Line keys, navigation cluster, softkeys, mute, speakerphone, headset, volume control
Bluetooth	No
Ethernet Switch	Yes, 2-port 10/100/1000
USB Port	Yes, for headset (7875)