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Old 12-29-2011, 06:50 PM
chhoeun2008 chhoeun2008 is offline
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Default Avaya IP Softphone

Dear all,

Anyone can tell me what protocol that Avaya IP Softphone use to communicate with CM?

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Old 01-02-2012, 05:03 AM
asiddi asiddi is offline
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it works as H.323 phone....if u have 1X Communicator, u have option of SIP and H.323
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Old 01-03-2012, 12:29 AM
aa1 aa1 is offline
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Default Some more info

In the case of H.323

The H.323 standard provides for real time audio, video, and data communications transmission over a packet network. An H.323 telephone protocol stack comprises several protocols:

• H.225 for registration, admission, status (RAS), and call signaling, (Between the IP softphone and the gatekeeper (could be CLAN/procr)
• H.245 for control signaling,
• Real Time Transfer Protocol (RTP) and Secure Real Time Transfer Protocol (SRTP)
• Real Time Control Protocol (RTCP) and Secure Real Time Control Protocol (SRTCP)

CM (As Communication Manager) handles the signaling. A VoIP resource is needed for audio. It could either be a TN2302/TN2602, a H.248 gateway.

Signaling and Audio Connection Diagrams

IP softphone does not support SIP protocol to what I know. for SIP, you would need to migrate to Avaya OneX Communicator.
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Old 01-04-2012, 02:19 AM
chhoeun2008 chhoeun2008 is offline
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Many thanks for your support...
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