On 28 August 2015 at 05:42, Marcin S <ms4esl@gmail.com> wrote:
Yes, it is not common for all providers to send 181. However, there are some that do,
If this was signalled on the PSTN then I think I might cry with joy.
and I want to receive it in ESL. Is there any possiblity for this?
2015-08-27 15:20 GMT+02:00 Brian West <brian@freeswitch.org>:
I don't think you will reliably receive a 181 in every case that a call goes to voicemail.
On Thu, Aug 27, 2015 at 5:20 AM, Marcin S <ms4esl@gmail.com> wrote:
Hi,
I have a dialer app that uses ESL and freeswitch. I would like to detect when voice mail answers call. For such calls there is a "181 Cal Is Being Forwarded" message in SIP signalization. However, in ESL there is no event fired (maybe beacuse there was 183 and 180 earlier).
How can I detect, that there was 181 received?
Here is an example sip trace:
1 0.000000 192.168.88.237 -> 89.108.20.42 SIP/SDP Request: INVITE sip:123456789@89.108.20.42, with session description 2 0.018028 89.108.20.42 -> 192.168.88.237 SIP Status: 100 Trying 3 0.418550 89.108.20.42 -> 192.168.88.237 SIP/SDP Status: 183 Session Progress, with session description 4 1.405465 89.108.20.42 -> 192.168.88.237 SIP Status: 180 Ringing 5 29.270672 89.108.20.42 -> 192.168.88.237 SIP Status: 181 Call Is Being Forwarded 6 29.659371 89.108.20.42 -> 192.168.88.237 SIP/SDP Status: 200 OK, with session description 7 29.670833 192.168.88.237 -> 89.108.20.42 SIP Request: ACK sip:3c6d5343fb70df3a18f4dd32e7c9d226@89.108.20.42:5060;transport=udp 8 70.590778 192.168.88.237 -> 89.108.20.42 SIP Request: BYE sip:3c6d5343fb70df3a18f4dd32e7c9d226@89.108.20.42:5060;transport=udp 9 70.625224 89.108.20.42 -> 192.168.88.237 SIP Status: 200 OK
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