LG с самой Si2000 все нормально, при звонке на LG с цифровой АТС транзитом через Si2000 проблем тоже нет, а вот при звонке с АТС которая подключена к Si2000 по аналоговым каналам соединения нет. Исходящая связь с LG без проблем во всех направлениях.
Снял трэйсы
звонок с цифровой АТС
<<<<<<<<<<============================================--------------------
(CO 2) SETUP
IE_BEARER_CAPABILITY
CCITT standardized coding
3.1kHz audio
circuit mode
64kbits
recommandation G.711 A-law
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
82
IE_PROG_INDICATION
CCITT standard coding
public net serving local user
destination address is none-ISND
IE_CALLING_NO
unkown
ISDN numbering plan
presentation allowed
network provided
0644
IE_CALLED_NO
unkown
ISDN numbering plan
37902
--------------------============================================>>>>>>>>>>
(CO 2) SETUP ACK
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
82
8585051 COL 002:05 02 St:co idle (00) Ev-I:ring start P1: 0 P2: 0 EVT: 11 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:disa dgt P1: 3 P2: 0 EVT: 80 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:disa dgt P1: 7 P2: 0 EVT: 80 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:disa dgt P1: 9 P2: 0 EVT: 80 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:disa dgt P1: A P2: 0 EVT: 80 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:disa dgt P1: 2 P2: 0 EVT: 80 <- 2,61
8585051 COL 002:05 02 St:di-dialing(00) Ev-I:dummy acd P1:26F3 P2: 0 EVT: 0 <- 2,61
8585101 COL 002:05 02 St:di-dialing(00) Ev-T:ds-dial P1: 0 P2: 0 TMR: 40 <- 2,61
8585101 COL 002:05 02 St:dd-rng req(00) Ev-I:dummy acd P1:26AF P2: 1 EVT: 0 <- 2,61
8585101 COL 002:05 02 St:dd-rng req(00) Ev-I:dummy acd P1:26F3 P2: 0 EVT: 0 <- 2,61
8585101 COL 002:05 02 St:dd-rng req(00) Ev-I:dd rng ack P1: 0 P2: 0 EVT: 82 <- 46,05
--------------------============================================>>>>>>>>>>
(CO 2) CALL PROCEEDING
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
82
--------------------============================================>>>>>>>>>>
(CO 2) ALERTING
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
82
8585165 COL 002:05 02 St:dd-wt ans (00) Ev-I:seize req P1: 6 P2: 0 EVT: 81 <- 46,05
--------------------============================================>>>>>>>>>>
(CO 2) CONNECT
IE_CONNECTED_NO
subscriber number
unkown
presentation allowed
not screened
37902
Звонок с Аналоговой (а может вообще координатка какая нибудь)
<<<<<<<<<<============================================--------------------
(CO 3) SETUP
IE_BEARER_CAPABILITY
CCITT standardized coding
3.1kHz audio
circuit mode
64kbits
recommandation G.711 A-law
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
83
IE_PROG_INDICATION
CCITT standard coding
public net serving local user
destination address is none-ISND
IE_CALLING_NO
unkown
ISDN numbering plan
presentation allowed
network provided
0623
IE_CALLED_NO
unkown
ISDN numbering plan
37906
--------------------============================================>>>>>>>>>>
(CO 3) SETUP ACK
IE_CHANNEL_INFO
interface implicitly identified
other inferface
exclusive
is not D-channel
B1 channel
CCITT standard coding
indicated by num in following octet
B channel units
83
8580184 COL 003:05 03 St:co idle (00) Ev-I:ring start P1: 0 P2: 0 EVT: 11 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:disa dgt P1: 3 P2: 0 EVT: 80 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:disa dgt P1: 7 P2: 0 EVT: 80 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:disa dgt P1: 9 P2: 0 EVT: 80 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:disa dgt P1: A P2: 0 EVT: 80 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:disa dgt P1: 6 P2: 0 EVT: 80 <- 3,61
8580184 COL 003:05 03 St:di-dialing(00) Ev-I:dummy acd P1:26F3 P2: 0 EVT: 0 <- 3,61
8580220 COL 003:05 03 St:di-dialing(00) EVT

<<<<<<<<<<============================================--------------------
(CO 3) DISCONNECT
IE_CAUSE
CCITT standardized coding
public network serving local user
call rejected
Самое интересное что сетапы одинаковые, но в первом случае LG вслед за Setup ack отправляет call proc , а во втором call proceeding не отправляет и Si2000 подождав некоторое время отправляет disconnect (видимо по таймауту)
может кто нибудь подскажет в каком направлении искать проблему