2011/5/5 Richard Kenner
> I recently tried to update my Aastra 57i to version 3.2 and ran into
> a problem. It won’t properly register and says “contact mismatch”.
> I added “sip contact matching: 2” to aastra.cfg, but that didn’t help.
> When I look at the SIP trace, but I see is the Aastra sending a
> REGISTER and Asterisk replying with the 401. The phone then sends
> the REGISTER again, this time with the hash. Asterisk now replies OK,
> but sends an OPTION packet FIRST and I think that confuses the Aastra.
Is asterisk replying differently when firmware 3.2 is used ?
> Has anybody seen this? Is there any way to have the packets sent in the
> proper order?
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