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Author Topic: SRTP audio from Snom 715 is dropped with HMAC recv: ... calc: ... seq: ...  (Read 8778 times)

abma

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SRTP audio from Snom 715 is dropped with HMAC recv: ... calc: ... seq: ...
« on: June 10, 2016, 03:05:26 AM »
When using SRTP with a Snom 715, SRTP packets are dropped by yate with:

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SRTP HMAC recv: e4dfae70 calc: 0a1071eb seq: 66331 [0x7f47c801d5a0]
more details at http://forum.yate.ro/index.php?topic=1201.0

when rtp is forwarded / the phones directly communicate, it works fine.

sorry, i'm still not sure if this is a yate or a snom bug. :-|


I've created a bug report at snom, too, see the packet dump of such a call.
« Last Edit: June 10, 2016, 03:09:58 AM by abma »
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abma

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Re: SRTP audio from Snom 715 is dropped with HMAC recv: ... calc: ... seq: ...
« Reply #1 on: June 13, 2016, 04:17:37 PM »
oh, sorry, the snom bug tracker requires an account.

without login: https://abma.de/tmp/packetdump
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abma

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Re: SRTP audio from Snom 715 is dropped with HMAC recv: ... calc: ... seq: ...
« Reply #2 on: June 14, 2016, 08:50:07 AM »
snom doesn't see an error in the trace, so why is yate discarrding the packets?
« Last Edit: June 14, 2016, 09:08:06 AM by abma »
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abma

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Re: SRTP audio from Snom 715 is dropped with HMAC recv: ... calc: ... seq: ...
« Reply #3 on: June 16, 2016, 08:11:19 AM »
ok, i migrated to FreeSwitch there it works fine: i'm pretty sure this is a yate bug.
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