[Freeswitch-users] How can I keep the A-leg from establishing early media (and playing ringback in-band) until after the B-leg answers the call?

Jason Jeffords jason at cloudtree.net
Tue Jul 27 11:24:06 PDT 2010


Hi Anthony,

It looks like mod_skypopen is answering the Skype call and opening the
channel before any
dialplan lookups are reached :(

Here is part of the log:

2010-07-27 18:07:28.553971 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1, 0, 0] READING: |||CALL 2114 CONF_ID 0|||
2010-07-27 18:07:28.563966 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1, 0, 0] READING: |||USER jjeffords.com TIMEZONE 72000|||
2010-07-27 18:07:28.633980 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1, 0, 0] READING: |||CALL 2114 STATUS RINGING|||
2010-07-27 18:07:28.633980 [DEBUG] skypopen_protocol.c:556 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  556
 ][interface1][-1, 0, 0] NO ACTIVE calls in this moment, skype_call 2114 is
RINGING, to ask PARTNER_HANDLE
2010-07-27 18:07:28.633980 [DEBUG] skypopen_protocol.c:1498 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1498
][interface1][-1, 0, 0] SENDING: |||GET CALL 2114 PARTNER_HANDLE||||
2010-07-27 18:07:28.663964 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1, 0, 0] READING: |||CALL 2114 PARTNER_HANDLE jjeffords.com
|||
2010-07-27 18:07:28.663964 [DEBUG] skypopen_protocol.c:481 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  481
 ][interface1][-1, 0, 0] Call 2114 TRY ANSWER
2010-07-27 18:07:28.663964 [DEBUG] mod_skypopen.c:2301 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  2301
][interface1][-1, 0, 0] NOT FOUND
2010-07-27 18:07:28.663964 [DEBUG] skypopen_protocol.c:1498 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1498
][interface1][-1, 0, 0] SENDING: |||GET CALL 2114 PARTNER_DISPNAME||||
2010-07-27 18:07:28.683968 [DEBUG] skypopen_protocol.c:1498 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1498
][interface1][-1,11, 0] SENDING: |||ALTER CALL 2114 ANSWER||||
2010-07-27 18:07:28.703965 [DEBUG] mod_skypopen.c:2314 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  2314
][interface1][-1,11, 0] We answered a Skype RING on skype_call 2114
2010-07-27 18:07:28.703965 [DEBUG] mod_skypopen.c:2322 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  2322
][interface1][-1,11, 0] NEW!  name: interface1, state: 11, value=
jjeffords.com, tech_pvt->callid_number=jjeffords.com,
tech_pvt->skype_user=cloud-tree-admin
2010-07-27 18:07:28.703965 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1,11, 0] READING: |||CALL 2114 PARTNER_DISPNAME Jason
Jeffords|||
2010-07-27 18:07:28.714033 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1,11, 0] READING: |||ALTER CALL 2114 ANSWER|||
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:176 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  176
 ][interface1][-1,11, 0] READING: |||CALL 2114 STATUS INPROGRESS|||
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:660 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  660
 ][interface1][-1,11, 0] no tech_pvt->session_uuid_str
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:666 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  666
 ][interface1][-1,11, 0] skype_call: 2114 is now active
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:673 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  673
 ][interface1][-1, 5,21] START start_audio_threads
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:83 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  83
][interface1][-1, 5,21] Binded! *which_port=32769,
tech_pvt->tcp_cli_port=32770, tech_pvt->tcp_srv_port=32769
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:88 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  88
][interface1][-1, 5,21] 1 SO_RCVBUF is 87380, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:92 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  92
][interface1][-1, 5,21] 1 SO_SNDBUF is 16384, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:113 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  113
 ][interface1][-1, 5,21] 2 SO_RCVBUF is 87380, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:132 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  132
 ][interface1][-1, 5,21] 2 SO_SNDBUF is 16384, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:136 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  136
 ][interface1][-1, 5,21] TCP_NODELAY is 0
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:143 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  143
 ][interface1][-1, 5,21] TCP_NODELAY is 0
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:773 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  773
 ][interface1][-1, 5,21] started tcp_srv_thread thread.
2010-07-27 18:07:28.733950 [DEBUG] mod_skypopen.c:1889 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1889
][interface1][-1, 5,21] started tcp_srv_thread thread.
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:83 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  83
][interface1][-1, 5,21] Binded! *which_port=32770,
tech_pvt->tcp_cli_port=32770, tech_pvt->tcp_srv_port=32769
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:88 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  88
][interface1][-1, 5,21] 1 SO_RCVBUF is 87380, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:92 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  92
][interface1][-1, 5,21] 1 SO_SNDBUF is 16384, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:113 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  113
 ][interface1][-1, 5,21] 2 SO_RCVBUF is 87380, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:132 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  132
 ][interface1][-1, 5,21] 2 SO_SNDBUF is 16384, size is 4
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:136 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  136
 ][interface1][-1, 5,21] TCP_NODELAY is 0
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:143 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  143
 ][interface1][-1, 5,21] TCP_NODELAY is 0
2010-07-27 18:07:28.733950 [DEBUG] skypopen_protocol.c:924 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  924
 ][interface1][-1, 5,21] started tcp_cli_thread thread.
2010-07-27 18:07:28.733950 [DEBUG] mod_skypopen.c:1899 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1899
][interface1][-1, 5,21] started tcp_cli_thread thread.
2010-07-27 18:07:28.853968 [DEBUG] skypopen_protocol.c:1498 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1498
][interface1][-1, 5,21] SENDING: |||ALTER CALL 2114 SET_INPUT
PORT="32770"||||
2010-07-27 18:07:28.864023 [DEBUG] skypopen_protocol.c:953 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  953
 ][interface1][-1, 5,21] ACCEPTED here you send me 32770
2010-07-27 18:07:28.864023 [DEBUG] skypopen_protocol.c:958 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  958
 ][interface1][-1, 5,21] 4 SO_RCVBUF is 87380, size is 4
2010-07-27 18:07:28.864023 [DEBUG] skypopen_protocol.c:962 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  962
 ][interface1][-1, 5,21] 4 SO_SNDBUF is 16384, size is 4
2010-07-27 18:07:28.873942 [DEBUG] skypopen_protocol.c:1498 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1498
][interface1][-1, 5,21] SENDING: |||#output ALTER CALL 2114 SET_OUTPUT
PORT="32769"||||
2010-07-27 18:07:28.883950 [DEBUG] skypopen_protocol.c:688 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  688
 ][interface1][-1, 5,21] New Inbound Channel!



2010-07-27 18:07:28.883950 [DEBUG] mod_skypopen.c:1920 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  1920
][interface1][-1, 5,21] 2 SESSION_REQUEST
d18a03ae-99a9-11df-9273-dfe9044f32b8
2010-07-27 18:07:28.883950 [DEBUG] mod_skypopen.c:258 rev
git2svn-syncpoint-master-132-g91a87e9[(nil)|37     ][DEBUG_SKYPE  258
 ][interface1][-1, 5,21] skypopen_tech_init SUCCESS
2010-07-27 18:07:28.883950 [NOTICE] switch_channel.c:776 New Channel
skypopen/interface1 [d18a03ae-99a9-11df-9273-dfe9044f32b8]
2010-07-27 18:07:28.883950 [DEBUG] mod_skypopen.c:1944 (skypopen/interface1)
State Change CS_NEW -> CS_INIT




On Tue, Jul 27, 2010 at 2:06 PM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> don't answer the A leg? bridge to B with it unanswered and it should do
> what you want unless somehow the skype channel answers explicitly which
> would be a possible bug in mod_skype_open
>
>
> On Tue, Jul 27, 2010 at 9:43 AM, Jason Jeffords <jason at cloudtree.net>wrote:
>
>> Hi Anthony,
>>
>> Thank you for your very fast response and your excellent work on
>> Freeswitch :)
>>
>> We have tried setting ignore_early_media=true in the bridge dial string
>> (the B
>> leg).  This has the expected effect of removing ringing from the channel
>> (the
>> A leg no longer hears ringing, neither Skype nor PSTN).
>>
>> The problem is the A leg has answered the Skype call (mod_skypopen) and
>> established a channel before the B leg has answered.  We want to tie these
>> call state machines together to allow the A leg to continue to Skype ring
>> until
>> the B leg answers.
>>
>> We tried setting ignore_early_media on the A leg as well in several
>> different
>> locations in the dialplan without success.
>>
>> Do you have another other suggestions?  Is there a different variable
>> that
>> allows the state machines to be tied together as described above?
>>
>> Thanks for your help,
>>
>> Jason
>>
>>
>>
>> On Thu, Jul 22, 2010 at 6:01 PM, Anthony Minessale <
>> anthony.minessale at gmail.com> wrote:
>>
>>> add {ignore_early_media=true} to your bridge dial string
>>>
>>> On Thu, Jul 22, 2010 at 3:51 PM, Jason Jeffords <jason at cloudtree.net>wrote:
>>>
>>>> My specific use case is an inbound Skype call using mod_skypopen to a
>>>> SIP phone.
>>>>
>>>> I would like the Skype call to keep ringing as a Skype call (not a PSTN
>>>> call)
>>>> until the B-leg is answered.  The default behaviour is the Skype call is
>>>> answered
>>>> by freeswitch and ringback is played over the established Skype call.
>>>>
>>>> Thanks in advance,
>>>>
>>>> Jason
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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>>>>
>>>>
>>>
>>>
>>> --
>>> Anthony Minessale II
>>>
>>> FreeSWITCH http://www.freeswitch.org/
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>>> Twitter: http://twitter.com/FreeSWITCH_wire
>>>
>>> AIM: anthm
>>> MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
>>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
>>> IRC: irc.freenode.net #freeswitch
>>>
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>>> pstn:+19193869900
>>>
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>>
>>
>>
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>>
>
>
> --
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
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> googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
> pstn:+19193869900
>
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