Всем привет, прошу помощи.
Есть связка АТС -> isdn Cisco AS5300 sip -> MVTS -> sip абонент.
Проблема: при звонках с АТС получаю отбой Cause i = 0x80E6 - Recovery on timer expiry

Cisco: IOS (tm) 5300 Software (C5300-IK9S-M), Version 12.3(24), RELEASE SOFTWARE (fc4)
Вот краткий конфиг:

controller E1 0
framing NO-CRC4
clock source line primary
pri-group timeslots 1-31

voice-port 0:D
no comfort-noise
cptone RU
bearer-cap Speech

interface Serial0:15
description PBX_income
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn not-end-to-end 64
isdn incoming-voice modem 64
isdn T306 1000
isdn T310 60000
isdn send-alerting
isdn bchan-number-order ascending
isdn sending-complete
isdn ie oli 0
no isdn gtd
no cdp enable

dial-peer voice 111 pots
huntstop
incoming called-number .T
answer-address .T
destination-pattern .T
progress_ind alert enable 8
progress_ind progress enable 8
no digit-strip
direct-inward-dial
port 0:D
forward-digits all

dial-peer cor custom

dial-peer voice хххх voip
huntstop
destination-pattern 495ххххх
voice-class codec 1
session protocol sipv2
session target ipv4:86.110.192.162
fax rate 9600
fax protocol t38 ls-redundancy 2 hs-redundancy 2 fallback none
ip qos dscp cs5 media
ip qos dscp cs5 signaling
no vad

Вот что получаю при дебаге:
        Sending Complete
        Bearer Capability i = 0x8090A3
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA1839D
                Preferred, Channel 29
        Progress Ind i = 0x8283 - Origination address is non-ISDN
        Calling Party Number i = 0x2180, '4959406161'
                Plan:ISDN, Type:National
        Called Party Number i = 0xA1, '4957273794'
                Plan:ISDN, Type:National
        High Layer Compat i = 0x9181
Feb 27 13:40:36.453: ISDN Se0:15 Q931: TX -> CALL_PROC pd = 8  callref = 0x8101
        Channel ID i = 0xA9839D
                Exclusive, Channel 29
Feb 27 13:40:41.449: The Call Setup Information is :
Call Control Block (CCB) : 0x63246AC0
State of The Call        : STATE_DEAD
TCP Sockets Used         : YES
Calling Number           : 4959406161
Called Number            : 4957273794
Number of Media Streams  : 0

Feb 27 13:40:41.449:
Source IP Address (Sig  ): 86.110.192.90
Destn SIP Req Addr:Port  : 86.110.192.162:5060
Destn SIP Resp Addr:Port : 0.0.0.0:0
Destination Name         : 86.110.192.162

Feb 27 13:40:41.449:
Disconnect Cause (CC)    : 102
Disconnect Cause (SIP)   : 200

Feb 27 13:40:41.457: ISDN Se0:15 Q931: TX -> DISCONNECT pd = 8  callref = 0x8101
        Cause i = 0x80E6 - Recovery on timer expiry
Feb 27 13:40:41.469: ISDN Se0:15 Q931: RX <- RELEASE pd = 8  callref = 0x0101
Feb 27 13:40:41.473: ISDN Se0:15 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x8101

Dial-peer`ы матчатся правильно, дебагил.
С другого шлюза AS5350 с аналогичными настройками вызовы уходит без проблем! Немогу понять куда копать...HELP