sip.conf file.
[general]
accept_outofcall_message=yes
outofcall_message_context=dialplan_name
auth_message_requests=yes
[siptrunk]
type=friend
host=192.168.1.103
context=to-srv2
[siptrunk]
type=friend
host=192.168.1.103
context=to-srv1
[sede2usr1]
type=friend
host=dynamic
secret=1000
context=sip-users
[sede1usr1]
type=friend
host=dynamic
secret=1000
context=sip-users
lines in extensions.conf file
[dialplan_name]
exten => _.,1,NoOp(SMS receiving dialplan invoked)
exten => _.,n,NoOp(To ${MESSAGE(to)})
exten => _.,n,NoOp(From ${MESSAGE(from)})
exten => _.,n,NoOp(Body ${MESSAGE(body)})
exten => _.,n,AGI(chatplan.php,${MESSAGE(from)})
;exten => _.,n,Set(ACTUALTO=${CUT(MESSAGE(to),@,1)})
;exten => _.,n,ExecIf($["${ACTUALTO}" != “sip:${EXTEN}”]?Set(ACTUALTO=sip:${EXTEN}))
exten => _.,n,MessageSend(${ACTUALTOS},${MESSAGE(from)})
exten => _.,n,NoOp(Send status is ${MESSAGE_SEND_STATUS})
exten => _.,n,GotoIf($["${MESSAGE_SEND_STATUS}" != “SUCCESS”]?sendfailedmsg)
exten => _.,n,Hangup()
;
; Handle failed messaging
exten => _.,n(sendfailedmsg),NoOp(Sending error to user)
exten => _.,n,Set(SRC=${MESSAGE(from)})
exten => _.,n,Set(DST=${MESSAGE(to)})
exten => _.,n,Set(MSG=${MESSAGE(body)})
exten => _.,n,Set(MESSAGE(body)="[${STRFTIME(${EPOCH},%d%m%Y-%H:%M:%S)}] Your message to ${EXTEN} has failed. Sending when available")
exten => _.,n,Set(ME_1=${CUT(MESSAGE(from),<,2)})
exten => _.,n,Set(ACTUALFROM=${CUT(ME_1,@,1)})
exten => _.,n,MessageSend(${ACTUALFROM},ServiceCenter)
exten => _.,n,GotoIf($["${INQUEUE}" != “1”]?startq)
exten => _.,n,Hangup()
;
exten => _.,n(startq),NoOp(Queueing messaging for offline)
exten => _.,n,Set(MSGTIME=${STRFTIME(${EPOCH},%d%m%Y-%H:%M:%S)})
exten => _.,n,SYSTEM(/var/lib/asterisk/agi-bin/astqueue.sh �SRC �${SRC}� �DST �${DST}� �MSG �${MSG}�)
exten => _.,n,Hangup()[app-fakeanswer]
exten => _.,1,NoCDR
exten => _.,n,Set(DESTDEV=${EXTEN})
exten => _.,n,Set(THISDEVSTATE=${DEVICE_STATE(SIP/${DESTDEV})})
exten => _.,n,GotoIf($["${THISDEVSTATE}" = “UNAVAILABLE”]?hang)
exten => _.,n,GotoIf($["${THISDEVSTATE}" = “UNKNOWN”]?hang)
exten => _.,n,Answer
exten => _.,n,Hangup()
exten => _.,n(hang),Hangup()
[to-srv2]
exten =>_4…,1,Set(CALLERID(num)=PBX1${CALLERID(num)})
exten =>4…,2,DIAL(SIP/siptrunk/${EXTEN},15,rt)
include =>sip-users
[to-srv1]
exten =>_3…,1,Set(CALLERID(num)=PBX2${CALLERID(num)})
exten =>3…,2,DIAL(SIP/siptrunk/${EXTEN},15,rt)
include =>sip-users
[sip-users]
exten =>3000,1,Dial(SIP/sede1usr1)
include =>sip-users
[sip-users]
exten =>4000,1,Dial(SIP/sede2usr1)
include =>sip-users
on the console
– Executing [3000@sip-users:1] Dial(“Message/ast_msg_queue”, “SIP/sede1usr1”) in new stack
[Feb 27 07:46:21] ERROR[1462][C-00000001]: translate.c:1320 ast_translator_best_choice: Cannot determine best translation path since one capability supports no formats
[Feb 27 07:46:21] WARNING[1462][C-00000001]: channel.c:6203 ast_request: No translator path exists for channel type SIP (native (g723|ulaw|alaw|gsm|g726|g726aal2|adpcm|slin|slin|slin|slin|slin|slin|slin|slin|slin|lpc10|g729|speex|speex|speex|ilbc|g722|siren7|siren14|testlaw|g719|opus|silk|silk|silk|silk)) to (none)
[Feb 27 07:46:21] WARNING[1462][C-00000001]: app_dial.c:2530 dial_exec_full: Unable to create channel of type ‘SIP’ (cause 58 - Bearer capability not available)
== Everyone is busy/congested at this time (1:0/0/1)
– Auto fallthrough, channel ‘Message/ast_msg_queue’ status is ‘CHANUNAVAIL’