[asterisk-users] Polycom instant messages

[Michael Englehorn]

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Is it possible to use the instant messaging feature of Polycom phones in
Asterisk? At the moment I'm seeing this in the SIP messaging when I try
to send one from a Polycom 450.

<--- SIP read from UDP:<CENSORED POLYCOM IP>:5060 --->
INVITE sip:0100@<CENSORED>:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP <CENSORED POLYCOM IP>;branch=z9hG4bK484dcd1fDD872ECE
From: "Michael" <sip:3109@<CENSORED>>;tag=D2DAE96E-D8618427
To: <sip:0100@<CENSORED>;user=phone>
CSeq: 2 INVITE
Call-ID: d2c5011e-1d718f7-9203b936@<CENSORED POLYCOM IP>
Contact: <sip:3109@<CENSORED POLYCOM IP>>
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE,
NOTIFY, PRACK, UPDATE, REFER
User-Agent: PolycomSoundPointIP-SPIP_450-UA/4.0.7.2514
Accept-Language: en
Supported: 100rel,replaces
Allow-Events: conference,talk,hold
Authorization: Digest username="3109", realm="asterisk",
nonce="<CENSORED>", uri="sip:0100@<CENSORED>:5060;user=phone",
response="<CENSORED>", algorithm=MD5
Max-Forwards: 70
Content-Type: application/sdp
Content-Length: 143

v=0
o=- 1421039199 1421039199 IN IP4 <CENSORED POLYCOM IP>
s=Polycom IP Phone
c=IN IP4 <CENSORED POLYCOM IP>
t=0 0
m=message 5060 sip sip:3109@<CENSORED>
<------------->
SIP/2.0 488 Not acceptable here
Via: SIP/2.0/UDP <CENSORED POLYCOM
IP>;branch=z9hG4bK484dcd1fDD872ECE;received=<CENSORED POLYCOM
IP>;rport=5060
From: "Michael" <sip:3109@<CENSORED>>;tag=D2DAE96E-D8618427
To: <sip:0100@<CENSORED>;user=phone>;tag=as3d0d8c04
Call-ID: d2c5011e-1d718f7-9203b936@<CENSORED POLYCOM IP>
CSeq: 2 INVITE
Server: FPBX-2.11.0(11.9.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0

Thank you,
- -- 
Michael J. Englehorn
H: 952-884-6776 (Use first)
E-Mail: Michael at englehorn.com

- ----
Those parts of the system that you can hit with a hammer (not advised)
are called hardware; those program instructions that you can only curse
at are called software.
                -- Levitating Trains and Kamikaze Genes: Technological
		                   Literacy for the 1990's
		   
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