Testlab

SIP IP Phones - Details

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Features Yealink T22P 

  
Additional Information  
   Initial Release 7.60.0.223 
Authentication yes 
Auto Answer yes 
Blind Transfer yes 
Call and Line Appearances  
   Call Appearances per line 3 
   Line Appearances 3 
Call Deflection  
   Forward All yes 
   Forward Busy yes 
   Forward No Answer yes 
Call Waiting yes 
Can be used with Interaction Client yes 
Codecs  
   Additional Codecs yes 
   G.711alaw yes 
   G.711ulaw yes 
   G.722 yes 
   G.723.1 yes 
   G.726 yes 
   G.729AB yes 
   GSM yes 
   RFC 3389 (VAD/CNG) Not tested 
Color LCD Screen no 
Conference yes 
Consult Transfer yes 
Delayed Media yes 
DHCP yes 
Dial Plan Capabilities  
   Dial Plan Routing N/A 3rd Party 
   Dial Plan Termination N/A 3rd Party 
Do Not Disturb button yes 
DTMF  
   Inband yes 
   RFC 2833 yes 
Expansion Module(s) / Sidecar(s) yes 
Headset Jack yes 
Hold yes 
Inline Power  
   802.3af yes 
   Cisco Inline Power yes 
Interaction Center Integration  
   Call Park yes 
   Group Pickup N/A 3rd Party 
   Shared Line Appearances / BLA N/A 3rd Party 
Latency  
   Always in N/A 3rd Party 
   Dynamic N/A 3rd Party 
Missed Call Indication yes 
Mute yes 
MWI yes 
NAT Support Not tested; supports STUN 
Network Interface 10/100 
Proxy Capabilities  
   Backup Proxy Through DNS-SRV* 
   Outbound Proxy yes 
   RFC 3263 N/A 3rd Party 
QoS  
   DSCP yes 
Re-Invite Support yes 
Redial Button yes 
Ringer Selection 9 
RJ45 Jack for PC yes 
Signal / Audio  
   SRTP N/A 3rd Party 
   TCP yes 
   TLS N/A 3rd Party 
   UDP yes 
Speakerphone yes 
Speed Dial Buttons yes 
Termination Character yes 
TFTP/FTP configuration N/A 3rd Party 
Voicemail button yes 
Volume Control yes 
Web server Configuration yes 
* Refer to the Install and Configuration doc for further information

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