the G.729 sessions are point-to-point (destination address 172.18.18.215), so they are not relevant to multicast traffic. You need to open the capture in Wireshark and force it to treat port 8000 as RTP, Then you will see what kind of codec is used for multicast. On Wed, Jan 20, 2016 at 8:02 PM, Varsha Agarwal <vagarwal@vertical.com> wrote:
Working pbx shows G.729 in wireshark, here is what I see on the working pbx 1235 2016-01-19 13:05:56.024053000 172.18.18.215 239.192.0.2 UDP 294 Source port: 16468 Destination port: 8000 1236 2016-01-19 13:05:56.024089000 172.18.18.215 172.18.7.67 RTP 74 PT=ITU-T G.729, SSRC=0xD2ECCEA9, Seq=10, Time=2880 1237 2016-01-19 13:05:56.030450000 172.18.7.67 172.18.18.215 RTP 74 PT=ITU-T G.729, SSRC=0x4BF0F35E, Seq=6, Time=1280 1238 2016-01-19 13:05:56.050338000 172.18.7.67 172.18.18.215 RTP 74 PT=ITU-T G.729, SSRC=0x4BF0F35E, Seq=7, Time=1440 1239 2016-01-19 13:05:56.055168000 172.18.18.215 239.192.0.2 UDP 294 Source port: 16468 Destination port: 8000
It is different on FreeSwitch 1140 36.313847000 172.18.18.237 239.192.0.2 UDP 214 Source port: 28080 Destination port: irdmi 1141 36.313946000 172.18.18.237 224.0.1.116 UDP 388 Source port: snap Destination port: commplex-link 1142 36.326208000 172.18.7.105 172.18.18.237 RTP 214 PT=ITU-T G.711 PCMU, SSRC=0x24A22162, Seq=16, Time=2880 1143 36.331901000 172.18.18.237 239.192.0.2 UDP 214 Source port: 28080 Destination port: irdmi
How do I change codec settings?
-----Original Message----- From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Bote Man Sent: Tuesday, January 19, 2016 11:14 PM To: 'FreeSWITCH Users Help' Subject: Re: [Freeswitch-users] Getting multicast paging to work
If it is possible to capture both the FreeSWITCH multicast stream and the working PBX multicast stream and compare them, I suspect that you will discover the difference.
"The packets sent are *always* converted to G.711 mu-Law / PCMU (8khz) because some phones (Snom for example) won't accept other codecs via multicast", so if your phones are looking for something else that could account for it.
Hope this helps.
--- Bote
FreeSWITCH Docs Janitor http://freeswitch.org/confluence
-----Original Message----- From: Varsha Agarwal Sent: Tuesday, 19 January, 2016 01:18 Subject: Re: [Freeswitch-users] Getting multicast paging to work
Thanks. I will capture this. I wanted to find out if there is something phone/codec specific not set here that is there in the log and I am not catching. Basically in my network there is another PBX setup that is able to do multicast paging but FreeSwitch is not able to. So there is something specific to my Freeswitch setup. I also did not find too much documentation on the ESF module. I am relatively new to the SIP world.
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