[asterisk-dev] T1 sip 500ms or 1s ?

[David Hansen]

Are your PBX and phone on same subnet?  Is the phone SIP capable and listening on port 5060?  You mention T1, but this has no relationship to SIP convos.  

David Hansen

 
On Thursday, June 18, 2009, at 10:14AM, "Eduardo Nunes Pereira" <eduardonunesp at gmail.com> wrote:
>Hi, i'm a developer of Disc-OS a PBXIP distro to Brazilian market, this is
>my first time here, and recently i started to debug SIP protocol in
>Asterisk, and monitoring with WireShark. i'm really curious about the fact
>of T1 retransmit the REGISTER in 1 second not in 500ms (RFC 3261).
>I'm a not telephony expert, but the scenario is:
>
>A Asterisk SIP Trunk trying to register in my desktop, but port 5060 is
>unavailable, then monitoring with Wireshark, i see the SIP packs trying to
>retransmit in 1 second the first retransmission.
>
>anyone saw some issue like that ? or my version is old ? (asterisk-1.4.24.1)
>
>-- 
>Eduardo Nunes Pereira
>email: eduardonunesp at gmail.com
>