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Version 6.2 33 December 2010
SIP Release Notes 1. What's New in Release 6.2
An example of the X-RTP-Stat header in a SIP BYE message is shown below:
BYE sip:302@10.33.4.125 SIP/2.0
Via: SIP/2.0/UDP 10.33.4.126;branch=z9hG4bKac2127550866
Max-Forwards: 70
From: <sip:401@10.33.4.126;user=phone>;tag=1c2113553324
To: <sip:302@company.com>;tag=1c991751121
Call-ID: 991750671245200001912@10.33.4.125
CSeq: 1 BYE
X-RTP-Stat:
PS=207;OS=49680;;PR=314;OR=50240;PL=0;JI=600;LA=40;
Supported: em,timer,replaces,path,resource-priority
Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCR
IBE,UPDATE
User-Agent: Sip-Gateway-/v.6.2A.008.006
Reason: Q.850 ;cause=16 ;text="local"
Content-Length: 0
13. GRUU Support According to RFC 5627:
Product
MP-11x MP-124
Mediant 600 Mediant 1000
Mediant 800 MSBG Mediant 1000 MSBG
Mediant 2000
Mediant 3000/TP-6310 Mediant 3000 HA/TP-6310
Mediant 3000/TP-8410 Mediant 3000 HA/TP-8410
Management Protocol
Web INI
SNMP
EMS
CLI
This feature provides support for Globally Routable User Agent (UA) URI (GRUU),
according to RFC 5627. This is used for obtaining a GRUU from a registrar and for
communicating a GRUU to a peer within a dialog. This support is provided by the
existing parameter EnableGRUU.
A GRUU is a SIP URI that routes to an instance-specific UA and can be reachable
from anywhere. There are a number of contexts in which it is desirable to have an
identifier that addresses a single UA (using GRUU) rather than the group of UA’s
indicated by an Address of Record (AOR). For example, in call transfer where user A
is talking to user B, and user A wants to transfer the call to user C. User A sends a
REFER to user C:
REFER sip:C@domain.com SIP/2.0
From: sip:A@domain.com;tag=99asd
To: sip:C@domain.com
Refer-To: (URI that identifies B's UA)
The Refer-To header needs to contain a URI that user C can use to place a call to
user B. This call needs to route to the specific UA instance that user B is using to talk
to user A. User B should provide user A with a URI that has to be usable by anyone. It
needs to be a GRUU.