Before was sip peer + isdn now is only isdn

Hi
I didn’t change anything but I have problem with outgoing call from my asterisk. Incoming are ok. Let’s say that the problem is more less with 50% of all outgoing call, i don’t hear any ringing in phone. Sometimes when i try second time to call to the same number the call is ok. I don’t have any idea how figure out this, thank You for any advice. MAybe reason is that i had before sip peer + isdn and now is only isdn, but i don’t change anything in config. Thanks for some advice, clue.

my sip.conf

allow=g729
[authentication]
canreinvite=no
disallow=all
domain=pbx.mobiwide.com
[general]
register=>121114020:pass_secret@eneo.integralnet.com/121114020

my zapata.conf:

callgroup=1
callreturn=yes
callwaitingcallerid=yes
callwaiting=yes
cancallforward=yes
canpark=yes
[channels]
context=default
echocancelwhenbridged=yes
echocancel=yes
group=1
hidecallerid=no
immediate=no
pickupgroup=1
rxgain=0.0
signalling=fxo_ls
switchtype=national
threewaycalling=yes
transfer=yes
[trunkgroups]
txgain=0.0
usecallerid=yes
usecallingpres=yes

and my logs:

working ok:

[Mar 26 11:22:53] VERBOSE[18111] logger.c:     -- Executing [0606827530@default:1] Dial("SIP/100-081e7368", "SIP/audiocodes/0606827530||W") in new stack
[Mar 26 11:22:53] VERBOSE[18111] logger.c:     -- Called audiocodes/0606827530
[Mar 26 11:22:57] VERBOSE[18111] logger.c:     -- SIP/audiocodes-081dd148 is ringing
[Mar 26 11:23:01] NOTICE[18111] cdr.c: CDR on channel 'SIP/audiocodes-081dd148' not posted
[Mar 26 11:23:01] VERBOSE[18111] logger.c:   == Spawn extension (default, 0606827530, 1) exited non-zero on 'SIP/100-081e7368'

not ringing:

[Mar 26 11:23:20] VERBOSE[18112] logger.c:     -- Executing [0608136204@default:1] Dial("SIP/100-081e5150", "SIP/audiocodes/0608136204||W") in new stack
[Mar 26 11:23:20] VERBOSE[18112] logger.c:     -- Called audiocodes/0608136204
[Mar 26 11:24:01] VERBOSE[18112] logger.c:     -- SIP/audiocodes-081dfb30 answered SIP/100-081e5150
[Mar 26 11:24:01] VERBOSE[18112] logger.c:     -- Packet2Packet bridging SIP/100-081e5150 and SIP/audiocodes-081dfb30
[Mar 26 11:24:06] VERBOSE[18112] logger.c:   == Spawn extension (default, 0608136204, 1) exited non-zero on 'SIP/100-081e5150'

ringing:

[Mar 26 11:24:13] VERBOSE[18113] logger.c:     -- Executing [0608136204@default:1] Dial("SIP/100-081dd148", "SIP/audiocodes/0608136204||W") in new stack
[Mar 26 11:24:13] VERBOSE[18113] logger.c:     -- Called audiocodes/0608136204
[Mar 26 11:24:20] VERBOSE[18113] logger.c:     -- SIP/audiocodes-081e7368 is ringing
[Mar 26 11:24:22] NOTICE[18113] cdr.c: CDR on channel 'SIP/audiocodes-081e7368' not posted
[Mar 26 11:24:22] VERBOSE[18113] logger.c:   == Spawn extension (default, 0608136204, 1) exited non-zero on 'SIP/100-081dd148'

not ringing:

[Mar 26 11:24:44] VERBOSE[18114] logger.c:     -- Executing [0694457421@default:1] Dial("SIP/100-081dd148", "SIP/audiocodes/0694457421||W") in new stack
[Mar 26 11:24:44] VERBOSE[18114] logger.c:     -- Called audiocodes/0694457421
[Mar 26 11:25:16] NOTICE[18114] cdr.c: CDR on channel 'SIP/audiocodes-081e10b8' not posted
[Mar 26 11:25:16] VERBOSE[18114] logger.c:   == Spawn extension (default, 0694457421, 1) exited non-zero on 'SIP/100-081dd148'

not ringing first time:

[Mar 26 11:23:20] VERBOSE[18112] logger.c:     -- Executing [0608136204@default:1] Dial("SIP/100-081e5150", "SIP/audiocodes/0608136204||W") in new stack
[Mar 26 11:23:20] VERBOSE[18112] logger.c:     -- Called audiocodes/0608136204
[Mar 26 11:24:01] VERBOSE[18112] logger.c:     -- SIP/audiocodes-081dfb30 answered SIP/100-081e5150
[Mar 26 11:24:01] VERBOSE[18112] logger.c:     -- Packet2Packet bridging SIP/100-081e5150 and SIP/audiocodes-081dfb30
[Mar 26 11:24:06] VERBOSE[18112] logger.c:   == Spawn extension (default, 0608136204, 1) exited non-zero on 'SIP/100-081e5150'

ringing second time

[Mar 26 11:24:13] VERBOSE[18113] logger.c:     -- Executing [0608136204@default:1] Dial("SIP/100-081dd148", "SIP/audiocodes/0608136204||W") in new stack
[Mar 26 11:24:13] VERBOSE[18113] logger.c:     -- Called audiocodes/0608136204
[Mar 26 11:24:20] VERBOSE[18113] logger.c:     -- SIP/audiocodes-081e7368 is ringing
[Mar 26 11:24:22] NOTICE[18113] cdr.c: CDR on channel 'SIP/audiocodes-081e7368' not posted
[Mar 26 11:24:22] VERBOSE[18113] logger.c:   == Spawn extension (default, 0608136204, 1) exited non-zero on 'SIP/100-081dd148'