SIP IP Phones - Details

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Features Cisco 7912G 

Additional Information  
   Initial Release no 
Authentication yes 
Auto Answer yes *This feature is controlled via CUCM and is effective for all calls or no calls. Cisco's SIP implementation lacks support for indicating per-call auto-answer using SIP NOTIFY messaging. 
Blind Transfer yes 
Call and Line Appearances  
   Call Appearances per line 2 
   Line Appearances 1 
Call Deflection  
   Forward All yes 
   Forward Busy no 
   Forward No Answer no 
Call Waiting yes 
Can be used with Interaction Client yes 
   Additional Codecs no 
   G.711alaw yes 
   G.711ulaw yes 
   G.722 no 
   G.723.1 no 
   G.726 no 
   G.729AB yes 
   GSM no 
   Opus no 
   RFC 3389 (VAD/CNG) yes 
Color LCD Screen no 
Conference yes 
Consult Transfer yes 
Delayed Media yes 
DHCP yes 
Dial Plan Capabilities  
   Dial Plan Routing yes - proxy/emergency 
   Dial Plan Termination yes 
Do Not Disturb button no 
   Inband yes 
   RFC 2833 yes 
Expansion Module(s) / Sidecar(s) no 
Headset Jack no 
Hold yes 
Inline Power  
   802.3af yes 
   Cisco Inline Power yes 
Interaction Center Integration  
   Call Park no 
   Group Pickup no 
   Shared Line Appearances / BLA no 
   Always in 203 ms 
   Dynamic 96 ms 
Missed Call Indication yes 
Mute yes 
MWI yes 
NAT Support yes 
Network Interface 10 Mb 
Proxy Capabilities  
   Backup Proxy yes 
   Outbound Proxy yes 
   RFC 3263 yes 
   DSCP yes 
Re-Invite Support yes 
Redial Button yes - Softkey 
Ringer Selection no 
RJ45 Jack for PC yes 
Signal / Audio  
   SRTP no 
   TCP no 
   TLS no 
   UDP yes 
Speakerphone Half-duplex (monitor only) 
Speed Dial Buttons 0 
Supported Ports  
   USB no 
Termination Character # 
TFTP/FTP configuration yes - TFTP 
Voicemail button yes 
Volume Control yes 
Web server Configuration yes 
* Refer to the Install and Configuration doc for further information


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