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Lync 2010 & Snom Integration


moh10ly
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I integrated Lync with snom and currently managed to make calls from Snom UC 300 with Lync user registered in it as an extension (40) to another Lync user's phone number (DID).

 

Snom would work and make the call to Lync if I'm calling DID in this format (0216 333 4214) however if I called the extension which is 4214. it would say Disconnected, Not found 4214.

 

When I checked this in the log. I can see that the invite is not going to Lync FE IP address, instead its going to Snom PBX it self! I'm not sure what i'm missing here?

 

My Lync configuration in SnomOne

https://www.dropbox.com/s/nqajmmx2kjwss24/Snom_Lync_Integration.jpg

 

 

The SIP invite

 

 

TL_INFO(TF_PROTOCOL) [0]0D98.0F28::02/08/2013-09:40:40.922.0004861c (S4,SipMessage.DataLoggingHelper:sipmessage.cs(686))[1567752555]

<<<<<<<<<<<<Incoming SipMessage c=[<SipTcpConnection_1C341D0>], 192.168.1.161:5060<-192.168.1.120:61618

INVITE sip:4214@lyncfren.domain.com;user=phone SIP/2.0

FROM: "Forty Zero" <sip:40@192.168.1.120;user=phone>;tag=28484

TO: <sip:4214@192.168.1.120;user=phone>

CSEQ: 23119 INVITE

CALL-ID: 378b84d5@pbx

MAX-FORWARDS: 70

VIA: SIP/2.0/TCP 192.168.1.120:61618;branch=z9hG4bK-66878f92ead00fec26e8fddc955d8cc4;rport

ACCEPT: application/sdp

ALLOW-EVENTS: refer

CONTACT: <sip:test@192.168.1.120:61618;transport=tcp>

CONTENT-LENGTH: 329

SUPPORTED: 100rel, replaces, norefersub

USER-AGENT: snomONE/5.0.4

CONTENT-TYPE: application/sdp

ALLOW: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

P-ASSERTED-IDENTITY: "test" <sip:test@lyncfren.domain.com>

Privacy: id

v=0

o=- 24101 24101 IN IP4 192.168.1.120

s=-

c=IN IP4 192.168.1.120

t=0 0

m=audio 52796 RTP/AVP 0 8 9 2 3 101

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:9 G722/8000

a=rtpmap:2 G726-32/8000

a=rtpmap:3 GSM/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

------------EndOfIncoming SipMessage

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It was related to the pbx.xml file in snom folder, the sip option request from Lync to Snom should get a response which can be enabled by setting the value to true in the file

http://plugvoip.com/out1.PNG

. Matt Landis figured it out however, now I'm getting 404 not found for the extension 40 or 41 if I called from Lync to Snom Phone.

 

https://www.dropbox.com/s/tb1l3bey4nrkzni/wireshark.jpg

 

Lync call fails and reports 40 is not in service, please check the number and try again.

 

I have tried setting the Send call to extension: to 50 or blank but either nothing worked.

 

could you please help me on this! thanks

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