[SR-Users] No audio issue

jaflong jaflong jaflong at yandex.com
Tue Apr 8 11:38:50 CEST 2014


This is webrtc, using Kamailio with websocket relay to Asterisk. 
I am not using rtpproxy



07.04.2014, 22:49, "Kelvin Chua" <kelchy at gmail.com>:
> is this webrtc?are you using rtpproxy?
>
> Kelvin Chua
>
> On Mon, Apr 7, 2014 at 6:37 AM, jaflong jaflong <jaflong at yandex.com> wrote:
>> Hi,
>>
>> I am at the point where connection is established and no apparent errors are reported.
>>
>> However audio is not output.
>>
>> The rtp traffic seems to be transfering between the points as conclueded because Asterisk debug log shows
>>
>> Sent RTP packet to      10.1.xxx.xxx:41143 (via ICE) (type 08, seq 021868, ts 221760, len 4294967284)
>> Got  RTP packet from    10.1.xxx.xxx:41143 (type 08, seq 001383, ts 1917269534, len 000160)
>> Sent RTP packet to      10.1.xxx.xxx41143 (via ICE) (type 08, seq 021869, ts 221920, len 4294967284)
>> Got  RTP packet from    10.1.xxx.xxx:41143 (type 08, seq 001384, ts 1917269694, len 000160)
>> Sent RTP packet to      10.1.xxx.xxx:41143 (via ICE) (type 08, seq 021870, ts 222080, len 4294967284)
>> Got  RTP packet from    10.1.xxx.xxx:41143 (type 08, seq 001385, ts 1917269854, len 000160)
>>
>> And the browser machine on the other endpoint on a tcpdump does shows traffic on the port (41143)
>>
>> What could be causing there to be no audio?
>>
>> This is the connected sdp
>>
>> =0
>> o=root 350315728 350315728 IN IP4 10.31.xxx.xxx
>> s=Asterisk PBX 12.2.0-rc1
>> c=IN IP4 10.31.xxx.xxx
>> t=0 0
>> m=audio 24316 UDP/TLS/RTP/SAVPF 8 0 101
>> a=rtpmap:8 PCMA/8000
>> a=rtpmap:0 PCMU/8000
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-16
>> a=silenceSupp:off - - - -
>> a=ptime:20
>> a=maxptime:150
>> a=ice-ufrag:1c5c5d52130f06fd70e1e23f0d6323f2
>> a=ice-pwd:12611b8146599a9019d59b4b649a7970
>> a=candidate:Ha1f026f 1 UDP 2130706431 10.31.xxx.xxx 24316 typ host
>> a=candidate:Ha1f026f 2 UDP 2130706430 10.31.xxx.xxx 24317 typ host
>> a=connection:new
>> a=setup:active
>> a=fingerprint:SHA-256 13:BB:CF:88:C4:75:9B:F0:DA:36:0A:6D:5D:37:C9:26:6B:3C:82:3E:F6:92:AE:A7:AE:CF:FF:78:F5:86:D9:E8
>> a=sendrecv
>>
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>
> ,
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