Упал Hybrid Link на одной из АТС в сети.
На АТС до этого ни чего ни делал, конфигурацию не менял.
Даже не подходил.

hybvisu all

Mon Jun  2 11:34:06 MSK 2014


List of hybrid links of node 23
Hybrid link 2000 (2300) to node 0 (PERMANENT)
---------------------------------------------
List of accesses
+----+---------------------------------+-------------------------+-----+
|    |     Main signalling support     | Stby signalling support | Nb  |
| Nb | GPA State Position   Support    | GPA State    Support    | trk |
+----+---------------------------------+-------------------------+-----+
|  1 | ON  DOWN (19, 0, 0)  IP         |                         |   0 |
+----+---------------------------------+-------------------------+-----+

oxe_cs1> lookvpn -test

Mon Jun  2 11:36:08 MSK 2014



***************************************************************************

VPN is ALLOWED

* nodes  0  -- 23  (netw  7 -- netw  7)  cost   1  mandatory  q0 : Y  q1 : Y

Checking trunk groups corresponding to local hop to node 0  ( 0  -- 23)

+ Trunk group  99 : name = CA         state : FREE
   trk_type T2 next_trk_grp = -1 variant  ISDN
   nb_chif_uti = 0 specificity : IP
   x25 ok. vpnRate = 100 immTrkForVpn = 1
   Public NPD 9 Incoming DID -1
   Private NPD 0 Incoming DID -1

WARNING : another NPD can be used (depends on the byte3 of the called number)
Verify which NPD is used on arrival with looknumin


***************************************************************************

Table of vpn numbers for the local node

Index | State | Eqt<-> | NPD | VPN Local Nber | Ext.Transl. | VPN DDI Nber |SDA trad.
_____ | _____ | ______ | ___ | _______________|_____________|______________|_________
   0 |  Free |  None  |  49 |    70239999    | 70239999,+/+0364,/,23    | 70239999,+/+0364,/,23    | -1
_____ | _____ | ______ | ___ | _______________|_____________|______________|_________


***************************************************************************

External Call Back Translator Tables

1)  beginning_of_number = DEF   nb_digits_to_suppr = 0   number_to_add = 98



***************************************************************************

Table of distant vpn numbers

70009999 Tsl_Distant_VPN_Number RLN  99
---------------------------------------
Rout List ARS 99

1) trk_grp=99 nb_deleted_digits=0 inserted_digits = vpnCostLimit=0 (ie. 70009999)



***************************************************************************

Value of VPN synchronisation timer --> T_VPN_SYNCHRO = 300

***************************************************************************
(23)oxe_cs1> lookvpn -config

Mon Jun  2 11:36:40 MSK 2014



***************************************************************************

Hops tables


* nodes  0 -- 23 (netw  7 -- netw  7) cost 1   mandatory q0:Y q1:Y, ip G729


***************************************************************************

Table of vpn numbers for the local node

Index | State | Eqt<-> | NPD | VPN Local Nber   (VPN system boolean is set)
_____ | _____ | ______ | ___ | _______________  (VPN software protection is set)
   0 |  Free |  None  |  49 |    70239999   (installation's number : )
_____ | _____ | ______ | ___ | _______________


***************************************************************************

DDI Translation Tables

EXT = 7023999903645 --> INT = 70239999


***************************************************************************

External Call Back Translator Tables

1)  beginning_of_number = DEF   nb_digits_to_suppr = 0   number_to_add = 98



***************************************************************************

Table of distant vpn numbers

70009999 Tsl_Distant_VPN_Number RLN  99
---------------------------------------
Rout List ARS 99

1) trk_grp=99 nb_deleted_digits=0 inserted_digits = vpnCostLimit=0
--> trunk group 99: local TG ;
| name = CA         state : FREE
| trk_type T2 next_trk_grp = -1 variant  ISDN
| network_number = 7 B_chanel_choice = 1 network_mode = 0
| nb_chif_uti = 0 x25used = 1 specificity : IP
| vpnRate = 100 vpnCostLimit = 0 immTrkForVpn = 1
| ip_qual_prof = Profile #1 compression_type = G729
| H323 gateway board = INTIPA (2-1-0)
|  -> 32 compressors enabled
|  -> IPv4 : 7.23.0.18

Станции друг друга пингуют.
конфигурация как у всех АТС в сети.
Где рыть, что смотреть ещё?