I am using the API to manage calls as they arrive at FS from
a trunk
I have a very simple Dial plan rule that parks the incoming
call.
<extension name="Trunk_02031701648">
<condition
field="destination_number" expression="^02031701648$">
<action
application="park" />
</condition>
</extension>
Once the call is parked via the API I first send a ringing
(to keep the originator happy)
sendmsg <uuid>
call-command: execute
execute-app-name: respond
execute-app-arg: 180
Via the API I then redirect the call on to another PSTN
number back through the same gateway
sendmsg <UUID>
call-command: execute
execute-app-name: redirect
execute-app-arg: sip:<destination>@194.0.147.16
The redirection works well and the originator and
destination are connected correctly.
But after the call has left FS I’m still left with
some call debris which I cannot clear down using
sendmsg <UUID>
call-command: execute
execute-app-name: hangup
execute-app-arg: <cause code>
Using command “api show channels” I find
the following held on FS The only way I’ve found to remove these
calls is “api hupall”
-------------------------
uuid,created,created_epoch,name,state,cid_name,cid_num,ip_addr,dest,application,application_data,dialplan,context,read_codec,read_rate,write_codec,write_rate
132a3362-3bb2-8e46-a11b-9bd46ab2d706,2009-06-24
15:10:15,1245852615,sofia/TrunkExternal/0203196599@194.0.147.16:5060,CS_EXECUTE,0203196599,0203196599,
194.0.147.16,02031701648,redirect,sip:0189728420@194.0.147.16,XML,Public,PCMU,8000,PCMU,8000
c2b40d55-0b5f-ff45-9541-cdcecc451e2c,2009-06-24
15:18:00,1245853080,sofia/TrunkExternal/0203196598@194.0.147.16:5060,CS_EXECUTE,0203196598,0203196598,
194.0.147.16,02031701648,redirect,sip:0189728420@194.0.147.16,XML,Public,PCMU,8000,PCMU,8000
b03fa6b3-a436-db4b-add5-dfd0658b8867,2009-06-24
15:22:53,1245853373,sofia/TrunkExternal/0203196599@194.0.147.16:5060,CS_EXECUTE,0203196599,0203196599,
194.0.147.16,02031701648,redirect,sip:0189728420@194.0.147.16,XML,Public,PCMU,8000,PCMU,8000
57ce0f01-a84d-6e49-a66d-0d771849ebb4,2009-06-24
15:40:30,1245854430,sofia/TrunkExternal/0189728400@194.0.147.16:5060,CS_EXECUTE,0189728400,0189728400,
194.0.147.16,02031701648,redirect,sip:0701137881@194.0.147.16,XML,Public,PCMA,8000,PCMA,8000
4 total.
-------------------
The SIP signalling is correct with an outgoing “302
moved temporarily” [with the new destination in the contact] which is
then Ack’ed by the switch. From a SIP point of view the call no
longer on FS.
The only way I’ve found to remove these phantom calls
is either “api hupall”, or restart the Sip profile.
Any suggestions on how I can remove these phantom calls
without recourse to “api hupall”. “api hupall”
kills any incoming calls as well as the stuck calls.
Regards
Richard Lamkin
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