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[walterwn at gmail.com]

i am conecting to the provider voip with 50 logings and can not use trunk
the configuring sip.conf with
...
register => 10001:abc at xxx.xxx.xxx.xxx
register => 10002:abc at xxx.xxx.xxx.xxx
register => 10003:abc at xxx.xxx.xxx.xxx

....

[troncal-1]
type=peer
secret=abc
username=10001
host=xxx.xxx.xxx.xxx
fromuser=10001
fromdomain=xxx.xxx.xxx.xxx
nat=no
context=troncal-sip
qualify=yes
disallow=all
allow=g729
callgroup=1

[troncal-2]
type=peer
secret=abc
username=10002
host=xxx.xxx.xxx.xxx
fromuser=10002
fromdomain=xxx.xxx.xxx.xxx
nat=no
context=troncal-sip
qualify=yes
disallow=all
allow=g729
callgroup=1

[troncal-3]
type=peer
secret=abc
username=10003
host=xxx.xxx.xxx.xxx
fromuser=10003
fromdomain=xxx.xxx.xxx.xxx
nat=no
context=troncal-sip
qualify=yes
disallow=all
allow=g729
callgroup=1
and extension.conf :
[troncal-sip] it is configuration work
exten => _X.,1,Answer
exten => _X.,2,Dial(SIP/${EXTEN}@troncal-1,,r)
exten => _X.,3,Dial(SIP/${EXTEN}@troncal-2,,r)
exten => _X.,4,Dial(SIP/${EXTEN}@troncal-3,,r)
exten => _X.,5,Hangup


i am ascending with 3 lines
[troncal-sip] it is configuration no work
exten => _X.,1,Answer
exten => _X.,2,Dial(SIP/g1/${EXTEN})
exten => _X.,3,Hangup


the error is
*CLI>
-- Executing [5174204843 at troncal-sip:1]
Answer("SIP/327289521558-b6d30d68", "") in new stack
-- Executing [5174204843 at troncal-sip:2]
Dial("SIP/327289521558-b6d30d68", "SIP/g1/74555555") in new stack
[May 2 20:00:09] WARNING[19588]: chan_sip.c:2867 create_addr: No such host:
g1
[May 2 20:00:09] WARNING[19588]: app_dial.c:1111 dial_exec_full: Unable to
create channel of type 'SIP' (cause 3 - No route to destination)
== Everyone is busy/congested at this time (1:0/0/1)
-- Executing [5174204843 at troncal-sip:3]
Hangup("SIP/327289521558-b6d30d68", "") in new stack
== Spawn extension (troncal-sip, 74555555, 3) exited non-zero on
'SIP/327289521558-b6d30d68'


how to group work fine ???
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[rob at hillis.dyndns.org]

SIP channels can't be grouped. What you need when you're dialling is
the following if you want to use all three SIP channels:-

Dial(SIP/troncal-1/${number})
Dial(SIP/troncal-2/${number})
Dial(SIP/troncal-3/${number})

That way if the first Dial fails, it will try the second one and so on.

Walter Willis wrote: