[OpenSIPS-Users] Double SDP

[Dragomir Haralambiev]

Hello,

Thanks for your replay.
If that's OK. Why do I have one-way voice?

Rerards,

На ср, 4.09.2019 г. в 15:29 ч. Alexey Vasilyev <alexei.vasilyev at gmail.com>
написа:

> This is absolutely normal. SDP can contain both RTP/AVP and RTP/SAVP. This
> is
> Invite from snom phone, for example:
>
> Sent to tls:135.42.212.82:5061 at Sep 4 14:19:18.641 (1383 bytes):
>
> INVITE sip:*7 at sip.test.dk SIP/2.0
> Via: SIP/2.0/TLS 172.16.1.29:4169;branch=z9hG4bK-gci2vl6fe7cz;rport
> From: "Demo" <sip:200 at sip.test.dk>;tag=ncsplp1nvz
> To: <sip:*7 at sip.test.dk>
> Call-ID: 313536373539393535363232353137-eewp9wlm45rf
> CSeq: 2 INVITE
> Max-Forwards: 70
> User-Agent: snom320/8.7.5.44
> Contact: <sip:200 at 172.16.1.29:4169;transport=tls>;reg-id=1
> X-Serialnumber: 000XXX
> P-Key-Flags: keys="3"
> Accept: application/sdp
> Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK,
> MESSAGE, INFO, UPDATE
> Allow-Events: talk, hold, refer, call-info
> Supported: timer, 100rel, replaces, from-change
> Session-Expires: 600
> Min-SE: 90
> Authorization: Digest
> username="200",realm="asterisk",nonce="7b2d56ec",uri="sip:*7 at sip.test.dk
> ",response="7a9fe1f24a6f7585fb7323237a000167",algorithm=MD5
> Content-Type: application/sdp
> Content-Length: 476
>
> v=0
> o=root 558099897 558099897 IN IP4 172.16.1.29
> s=call
> c=IN IP4 172.16.1.29
> t=0 0
> m=audio 60812 RTP/SAVP 9 8 101
> a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:ysn2nTlXXXXXXAuZYcpOhf1g/h+oG
> a=rtpmap:9 G722/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=ptime:20
> a=sendrecv
> m=audio 60812 RTP/AVP 9 8 101
> a=rtpmap:9 G722/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=ptime:20
> a=sendrecv
>
>
>
>
>
> -----
> ---
> Alexey Vasilyev
> --
> Sent from:
> http://opensips-open-sip-server.1449251.n2.nabble.com/OpenSIPS-Users-f1449235.html
>
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>
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