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sip trunk to ISP

lambay2000
Level 2
Level 2

Dears

 

attached are the logs, by analyzing the logs it seem that the ITSP sip  server is not responding, can anybody confirm to my analysis.

 

thanks

8 Replies 8

Vivek Batra
VIP Alumni
VIP Alumni

Yes, it's not responding. There is no SIP response for INVITE from ITSP.

Many ITSP doesn't support initial INVITE w/o SDP and may silently ignore it. You would like to give a try by sending initial INVITE with SDP to ITSP.

Dear Vivek,

 

How to do send a invite with SDP.

This can be done in call manager. Under SIP Profile, enable early offer and assign the new SIP Profile to SIP Trunk. Reset the SIP Trunk. Doing so, gateway should receive INVITE with SDP and forward it to ISP accordingly.

Dears,

ITSP managed to get the ping connectivity in their internal network,

 

My outgoing calls are working fine but the incoming call are not working, the call is hitting the gateway and appropriate dial-peer is also choose but not establishing.

attached are the logs..

 

Were these SIP calls ever working inbound?

 

Apr 15 13:52:13.444: //12808/742CFF41B300/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 422 Session Timer too small
Via: SIP/2.0/UDP 10.208.5.6:5060;branch=z9hG4bK439D4
From: <sip:96349526@10.208.5.6>;tag=9B6166F8-1CFA
To: <sip:507@10.208.5.1>;tag=1598338342
Date: Wed, 15 Apr 2015 13:52:13 GMT
Call-ID: 742ED451-E2AD11E4-B3068A93-48C8126@10.208.5.6
CSeq: 101 INVITE
Allow-Events: presence
Min-SE:  1800
Content-Length: 0

 

You are getting a timer to small error.  You can try adjusting the timer a bit.  I need to go back and look at the time stamps.

Dear Brandon,

No calls were never working inbound,

this is the fresh installation of the sip trunk. How i can increase the timer, where to navigate in CUCM

 

thanks

 

Dears

Anybody can help me with above query please.

thanks

http://www.cisco.com/c/en/us/td/docs/ios/voice/cube/configuration/guide/vb_book/vb_book/vb_1369.html

 

Use that link, it goes over expiration timers.  I'm assuming your 5.6 and 5.1 IP addresses are the CUBE and CUCM respectively.

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