Имееться
АТС <==е1(IDSN PRI ulaw)==> Asterisk+Tau-32/Lite+E1 <==sip==> SoftPhone

На данной системе звонки по потоку е1 ни в одну сторону не проходят (в трубке "указательный сигнал" ). Поток е1 100% рабочий (В связке с mediant2000 работает прекрасно)

Вот пример исходящего звонка:
-- Registered SIP '204' at 81.9.17.39 port 21110 expires 3600
-- Registered SIP '204' at 81.9.17.39 port 21110 expires 3600
-- Making new call for cr 32771
-- Requested transfer capability: 0x00 - SPEECH
> Protocol Discriminator: Q.931 (8) len=44
> Call Ref: len= 2 (reference 3/0x3) (Originator)
> Message type: SETUP (5)
> [04 03 80 90 a2]
> Bearer Capability (len= 5) [ Ext: 1 Q.931 Std: 0 Info transfer capability: Speech (0)
> Ext: 1 Trans mode/rate: 64kbps, circuit-mode (16)
> Ext: 1 User information layer 1: u-Law (34)
> [18 03 a9 83 81]
> Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0, Exclusive Dchan: 0
> ChanSel: Reserved
> Ext: 1 Coding: 0 Number Specified Channel Type: 3
> Ext: 1 Channel: 1 ]
> [28 05 4d 61 78 69 73]
> Display (len= 5) [ Maxis ]
> [6c 05 11 80 32 30 34]
> Calling Number (len= 7) [ Ext: 0 TON: International Number (1) NPI: ISDN/Telephony Numbering Pla
n (E.164/E.163) (1)
> Presentation: Presentation permitted, user number not screened (0) '204'
]
> [70 0d 91 36 38 39 35 31 37 32 31 31 34 32 39]
> Called Number (len=15) [ Ext: 1 TON: International Number (1) NPI: ISDN/Telephony Numbering Plan
(E.164/E.163) (1) '689517211429' ]
-- Called g0/689517211429
< Protocol Discriminator: Q.931 (8) len=9
< Call Ref: len= 2 (reference 3/0x3) (Terminator)
< Message type: RELEASE COMPLETE (90)
< [08 02 80 a9]
< Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0 Location: User (0)
< Ext: 1 Cause: Temporary failure (41), class = Network Congestion (2) ]
-- Processing IE 8 (cs0, Cause)
-- Channel 0/1, span 1 got hangup
-- Zap/1-1 is circuit-busy
NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null
NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null
-- Hungup 'Zap/1-1'
== Everyone is busy/congested at this time (1:0/1/0)
== Auto fallthrough, channel 'SIP/204-006b9410' status is 'CONGESTION'

конфиги:

zaptel.conf
span=1,2,0,ccs,hdb3,crc4
bchan=1-15,17-31
mulaw=1-15,17-31
dchan=16
loadzone=br
defaultzone=br

cronyx.conf
cronyx_modules="ce czaptel"
ce0="zaptel mode=phony mtu=256 ts=1-31"

zapata.conf
[trunkgroups]
[channels]
signalling=pri_cpe
language=br
context=novline_office_in
switchtype=euroisdn
overlapdial=yes
pridialplan=dynamic
prilocaldialplan=dynamic
rxwink=300
usecallerid=no
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
rxgain=10.0
txgain=10.0
group=0
channel => 1-15
channel => 17-31

В чём может быть проблема?