<div dir="ltr">Hello,<div><br></div><div>Thanks for your replay.</div><div>If that's OK. Why do I have one-way voice?<br><br>Rerards,</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">На ср, 4.09.2019 г. в 15:29 ч. Alexey Vasilyev <<a href="mailto:alexei.vasilyev@gmail.com">alexei.vasilyev@gmail.com</a>> написа:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">This is absolutely normal. SDP can contain both RTP/AVP and RTP/SAVP. This is<br>
Invite from snom phone, for example:<br>
<br>
Sent to tls:<a href="http://135.42.212.82:5061" rel="noreferrer" target="_blank">135.42.212.82:5061</a> at Sep 4 14:19:18.641 (1383 bytes):<br>
<br>
INVITE sip:*<a href="mailto:7@sip.test.dk" target="_blank">7@sip.test.dk</a> SIP/2.0<br>
Via: SIP/2.0/TLS 172.16.1.29:4169;branch=z9hG4bK-gci2vl6fe7cz;rport<br>
From: "Demo" <<a href="mailto:sip%3A200@sip.test.dk" target="_blank">sip:200@sip.test.dk</a>>;tag=ncsplp1nvz<br>
To: <sip:*<a href="mailto:7@sip.test.dk" target="_blank">7@sip.test.dk</a>><br>
Call-ID: 313536373539393535363232353137-eewp9wlm45rf<br>
CSeq: 2 INVITE<br>
Max-Forwards: 70<br>
User-Agent: snom320/<a href="http://8.7.5.44" rel="noreferrer" target="_blank">8.7.5.44</a><br>
Contact: <<a href="http://sip:200@172.16.1.29:4169" target="_blank">sip:200@172.16.1.29:4169</a>;transport=tls>;reg-id=1<br>
X-Serialnumber: 000XXX<br>
P-Key-Flags: keys="3"<br>
Accept: application/sdp<br>
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK,<br>
MESSAGE, INFO, UPDATE<br>
Allow-Events: talk, hold, refer, call-info<br>
Supported: timer, 100rel, replaces, from-change<br>
Session-Expires: 600<br>
Min-SE: 90<br>
Authorization: Digest<br>
username="200",realm="asterisk",nonce="7b2d56ec",uri="sip:*<a href="mailto:7@sip.test.dk" target="_blank">7@sip.test.dk</a>",response="7a9fe1f24a6f7585fb7323237a000167",algorithm=MD5<br>
Content-Type: application/sdp<br>
Content-Length: 476<br>
<br>
v=0<br>
o=root 558099897 558099897 IN IP4 172.16.1.29<br>
s=call<br>
c=IN IP4 172.16.1.29<br>
t=0 0<br>
m=audio 60812 RTP/SAVP 9 8 101<br>
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:ysn2nTlXXXXXXAuZYcpOhf1g/h+oG<br>
a=rtpmap:9 G722/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-15<br>
a=ptime:20<br>
a=sendrecv<br>
m=audio 60812 RTP/AVP 9 8 101<br>
a=rtpmap:9 G722/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-15<br>
a=ptime:20<br>
a=sendrecv<br>
<br>
<br>
<br>
<br>
<br>
-----<br>
---<br>
Alexey Vasilyev<br>
--<br>
Sent from: <a href="http://opensips-open-sip-server.1449251.n2.nabble.com/OpenSIPS-Users-f1449235.html" rel="noreferrer" target="_blank">http://opensips-open-sip-server.1449251.n2.nabble.com/OpenSIPS-Users-f1449235.html</a><br>
<br>
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</blockquote></div>