[OpenSIPS-Users] [OpenSIPS-Devel] OpenSIPS @ SIPit - report and conclusions

Bogdan-Andrei Iancu bogdan at voice-system.ro
Thu Oct 23 11:58:09 CEST 2008

Hi Olle,

So, you make T1 configurable in Asterisk? If so, on your opinion, does 
RFC4320 make any sense (as it bases on equal T1 on all hops)?


Johansson Olle E wrote:
> 23 okt 2008 kl. 09.53 skrev Klaus Darilion:
>> Remarks:
>> ● T1 timer is constant – RFC 3261 does not allow to be changed
>> RFC 3261 says: ...T1 is an estimate of the round-trip time (RTT), and it
>> defaults to 500 ms....
>> So, IMO it is valid to adopt T1 timer.
> That's my conclusion as well. I actually do adopt the T1 to the known 
> RTT in Asterisk.
> /O

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