Следующие грабли:
проходит звонок с DPH-102SH на DPH-100H, все ок, но после минуты разговора пропадает слышимость(соединение не рвется и отбоя нет)
лог OpenGk:

2004/10/27 01:35:15.094 H225 RAS:13540d8 Debug2 RAS Write address set to ip$192.168.0.15:19840
2004/10/27 01:35:15.109 H225 RAS:13540d8 Debug2 Transact Sending PDU: admissionConfirm 37305
2004/10/27 01:35:15.313 H225 RAS:13540d8 Debug2 H225RAS Receiving PDU: admissionRequest 2
2004/10/27 01:35:15.328 H225 RAS:13540d8 Debug2 RAS Call created: 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Answer
2004/10/27 01:35:15.344 H225 RAS:13540d8 Debug2 RAS Processing OnAdmission for 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Answer
2004/10/27 01:35:15.359 H225 RAS:13540d8 Debug2 RAS Bandwidth allocation: +1280 -0 used=1920 left=4294965370
2004/10/27 01:35:15.375 H225 RAS:13540d8 Debug1 H323 Use of non IP transport address: ""
2004/10/27 01:35:15.391 H225 RAS:13540d8 Debug1 RAS Added new call (total=2) 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Answer
2004/10/27 01:35:15.406 H225 RAS:13540d8 Debug2 RAS Write address set to ip$192.168.0.12:1025
2004/10/27 01:35:15.422 H225 RAS:13540d8 Debug2 Transact Sending PDU: admissionConfirm 2
2004/10/27 01:36:25.344 GkSrv Monitor Debug1 RAS Timeout on heartbeat, doing IRQ for call 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Answer
2004/10/27 01:36:25.375 GkSrv Monitor Debug2 RAS Making request: infoRequest
2004/10/27 01:36:25.375 GkSrv Monitor Debug2 RAS Write address set to ip$192.168.0.12:1025
2004/10/27 01:36:25.391 GkSrv Monitor Debug2 Transact Sending PDU: infoRequest 48365
2004/10/27 01:36:25.406 GkSrv Monitor Debug2 RAS Waiting on response to seqnum=48365 for 3.0 seconds
2004/10/27 01:36:25.438 H225 RAS:13540d8 Debug2 H225RAS Receiving PDU: infoRequestResponse 48365
2004/10/27 01:36:25.453 H225 RAS:13540d8 Debug1 RAS IRR received for call 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Answer
2004/10/27 01:36:25.469 GkSrv Monitor Debug1 RAS Timeout on heartbeat, doing IRQ for call 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Originate
2004/10/27 01:36:25.484 GkSrv Monitor Debug2 RAS Making request: infoRequest
2004/10/27 01:36:25.500 GkSrv Monitor Debug2 RAS Write address set to ip$192.168.0.15:19840
2004/10/27 01:36:25.516 GkSrv Monitor Debug2 Transact Sending PDU: infoRequest 48366
2004/10/27 01:36:25.531 GkSrv Monitor Debug2 RAS Waiting on response to seqnum=48366 for 3.0 seconds
2004/10/27 01:36:25.563 H225 RAS:13540d8 Debug2 H225RAS Receiving PDU: infoRequestResponse 48366
2004/10/27 01:36:25.578 H225 RAS:13540d8 Debug1 RAS IRR for call-id endpoint does not know about
2004/10/27 01:36:25.594 GkSrv Monitor Debug1 RAS Disengage of call 02b21dd2-2ba1-0f7c-0b71-5634343434ef-Originate
2004/10/27 01:36:25.609 GkSrv Monitor Debug2 RAS Making request: disengageRequest
2004/10/27 01:36:25.609 GkSrv Monitor Debug2 RAS Write address set to ip$192.168.0.15:19840
2004/10/27 01:36:25.625 GkSrv Monitor Debug2 Transact Sending PDU: disengageRequest 48367
2004/10/27 01:36:25.641 GkSrv Monitor Debug2 RAS Waiting on response to seqnum=48367 for 3.0 seconds
2004/10/27 01:36:25.672 H225 RAS:13540d8 Debug2 H225RAS Receiving PDU: disengageConfirm 48367
2004/10/27 01:36:25.688 GkSrv Monitor Debug2 RAS Bandwidth allocation: +0 -640 used=1280 left=4294966010
2004/10/27 01:36:25.688 GkSrv Monitor Debug1 RAS Removed call (total=1) id=02b21dd2-2ba1-0f7c-0b71-5634343434ef-Originate


Подскажите, что делать?
Да, сотый с совтовым (openh323phone) держит соединение без ограничений ...

Вопрос решился переходом на GnuGk. Все работает отлично.