[Freeswitch-users] Slow outbound call service requires a "fake" UK ringtone

[Alex Lake]

<action application="log" data="INFO: 
******************************************************************************"/>
<action application="set" data="ringback=${uk-ring}"/>
<action application="pre_answer"/>
<action application="sleep" data="5000"/>
<action application="log" data="INFO: 
******************************************************************************"/>


Results in
EXECUTE sofia/internal/02070604380 at 87.238.73.146 log(INFO: 
******************************************************************************)
2015-08-18 09:35:33.274143 [DEBUG] mod_dptools.c:1595 
******************************************************************************
EXECUTE sofia/internal/02070604380 at 87.238.73.146 
set(ringback=%(400,200,400,450);%(400,2000,400,450))
2015-08-18 09:35:33.274143 [DEBUG] mod_dptools.c:1402 
sofia/internal/02070604380 at 87.238.73.146 SET 
[ringback]=[%(400,200,400,450);%(400,2000,400,450)]
EXECUTE sofia/internal/02070604380 at 87.238.73.146 pre_answer()
2015-08-18 09:35:33.274143 [INFO] mod_dptools.c:1260 Sending early media
2015-08-18 09:35:33.274143 [DEBUG] sofia_glue.c:3449 AUDIO RTP 
[sofia/internal/02070604380 at 87.238.73.146] 176.9.31.72 port 13254 -> 
87.238.73.160 port 19206 codec: 8 ms: 20
2015-08-18 09:35:33.274143 [DEBUG] switch_rtp.c:2033 Starting timer 
[soft] 160 bytes per 20ms
2015-08-18 09:35:33.274143 [DEBUG] sofia_glue.c:3716 Set 2833 dtmf send 
payload to 101
2015-08-18 09:35:33.274143 [DEBUG] sofia_glue.c:3722 Set 2833 dtmf 
receive payload to 101
2015-08-18 09:35:33.274143 [DEBUG] sofia_glue.c:3749 
sofia/internal/02070604380 at 87.238.73.146 Set rtp dtmf delay to 40
2015-08-18 09:35:33.274143 [DEBUG] mod_sofia.c:2885 Ring SDP:
v=0
o=FreeSWITCH 1439877279 1439877280 IN IP4 176.9.31.72
s=FreeSWITCH
c=IN IP4 176.9.31.72
t=0 0
m=audio 13254 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv

2015-08-18 09:35:33.274143 [NOTICE] mod_sofia.c:2888 Pre-Answer 
sofia/internal/02070604380 at 87.238.73.146!
2015-08-18 09:35:33.274143 [DEBUG] switch_channel.c:3367 
(sofia/internal/02070604380 at 87.238.73.146) Callstate Change RINGING -> EARLY
2015-08-18 09:35:33.274143 [DEBUG] switch_core_session.c:871 Send signal 
sofia/internal/02070604380 at 87.238.73.146 [BREAK]
EXECUTE sofia/internal/02070604380 at 87.238.73.146 sleep(5000)
2015-08-18 09:35:33.274143 [DEBUG] switch_core_session.c:1016 Send 
signal sofia/internal/02070604380 at 87.238.73.146 [BREAK]
2015-08-18 09:35:33.274143 [DEBUG] sofia.c:5811 Channel 
sofia/internal/02070604380 at 87.238.73.146 entering state [early][183]
2015-08-18 09:35:33.314141 [DEBUG] switch_rtp.c:3749 Correct ip/port 
confirmed.
EXECUTE sofia/internal/02070604380 at 87.238.73.146 log(INFO: 
******************************************************************************)
2015-08-18 09:35:38.274186 [DEBUG] mod_dptools.c:1595 
******************************************************************************

And I hear silence.

I'm slightly concerned about who's responsible for all this work - I 
know that Anthony sometimes says "so which thread do you think is 
generating the sounds?" and I suspect this may be one of those cases. 
Trouble is, that dialplan often seems like magic to me!