Re-Invite Question *SOLVED*

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KentC
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Re-Invite Question *SOLVED*

Post by KentC »

1. Brekeke Product Name and version:
Brekeke Sip Server V2
2. Java version:
Latest
3. OS type and the version:
Centos 5.6 Final
4. UA (phone), gateway or other hardware/software involved:
n/a
5. Select your network pattern from http://www.brekeke-sip.com/bbs/network/ ... terns.html :
Beta
6. Your problem:

I need to ask a question about routing from within Brekeke:
What field does a re-invite use?
How does it choose the ip to send re-invite towards?
Last edited by KentC on Wed Sep 12, 2012 7:58 pm, edited 1 time in total.
james
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Joined: Mon Dec 10, 2007 12:56 pm

Post by james »

Generally, a re-INVITE will be used for
- Refreshing a SIP Session Timer
- Updating SDP (for example, a UA may want to change a codec during a call...)

The destination IP address of re-INVITE will be indicated in its Route header.
If there is no Route header, the destination will be same as previous destination.
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KentC
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Post by KentC »

Thanks, I'll follow up with this info. Appreciate your help, as I couldn't find much info in RFC 3261
james
Posts: 501
Joined: Mon Dec 10, 2007 12:56 pm

Post by james »

The SIP Session Timer is defined at RFC4028.
http://www.ietf.org/rfc/rfc4028.txt
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