2012/04/05

Panasonic KX-TDE200

Подключил Asterisk по SIP к TDE. Вызвал абонента, пошел RTP поток - звука нет. Когда начал дебажить RTP, оказалось что оунер за немаршрутизируемым у нас адресом 192.168.0.1 (я в другой подсети), именно с этого адреса идет RTP-поток. :)

<--- SIP read from UDP:192.168.11.64:5060 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.15.229:5060;branch=z9hG4bK1ef68430;rport=5060
To: sip:2424@192.168.11.64;tag=13733
From: "5001" ;tag=as68016c8f
Call-ID: 61d2418064662e5a564e64692c61eba3@192.168.11.64
CSeq: 103 INVITE
Contact: sip:192.168.11.64:5060
Require: timer
Supported: timer
Session-Expires: 350;refresher=uas
Allow: INVITE,ACK,CANCEL,BYE,REGISTER
Content-Type: application/sdp
Content-Length: 196

v=0
o=- 1 1 IN IP4 192.168.0.1
s=-
c=IN IP4 192.168.0.1
t=0 0
m=audio 12000 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=ptime:20
Решение: поправить на TDE в свойствах карты IPCMPR адрес VoIP-DSP на маршрутизируемый :)

Источники:
Panasonic Telephone Systems: Audio Issue on IP Phone
SIP: Protocol Overview

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