Помогите, рвется связь!

Есть несколько разнесенных по городу шлюзов

пара dg 102SH
один DVG 1104TH
завязаны через Aqua GateKeeper

добавил еще один
DG 104SH

Все везде хорошо, только при звонке с DG 104SH
на DVG 1104TH связь рвется через 10 секунд.

Debeg c DVG 1104TH

usr/config$ cmEvNewCall(hsCall=7062996) runs
Set Tunnelling TRUE.
*-*-*-*-*-* Enter SSE section
*-*-*-*-*-* SSE section completed!
0-cmControlStateFastStart
Enter EvChannelNew..6ae14c
call0 hsChanIn-cmEvChannelNew Send
cmEvChannelParameters hsChannel: 6ae14c channeName = g711Ulaw64k
incoming channel codec: g711Ulaw64k
cmEvChannelSetRTCPAddress hsChan = 6ae14c
RTCP call: 0, channel: 0
call0 ch0-ChannelState: Connected
Enter EvChannelNew..6ae2e4
call0 hsChanIn2-cmEvChannelNew Send
cmEvChannelParameters hsChannel: 6ae2e4 channeName = g711Ulaw64k
incoming channel codec: g711Ulaw64k
cmEvChannelSetRTCPAddress hsChan = 6ae2e4
RTCP call: 0, channel: 2
cmEvChannelSetAddress hsChan = 6ae2e4
call0 ch1-192.168.10.183: 30000-cmEvChannelSetAddress

cmEvCallStateChanged(state=cmCallStateOffering, statemode=cmCallStateModeOfferin
gCreate)

0-Offering-cmEvCallStateChanged

cmEvCallStateChanged(state=cmCallStateConnected, statemode=cmCallStateModeConnec
tedCallSetup)

0-Connected-cmEvCallStateChanged
Callee----->
fs_flag[0]=1
------statemode: ConnectedCallSetup------
0-Enter openDeviceChannel
H323ap select codec g711Ulaw64k
H323ap select codec g711Ulaw64k, TxM=2 echo=1
After connect, h245 connect
0-ControlStateTransportConnected
call0 ch0-ChannelState: Disconnected
call0 ch0-ChannelState: Idle
0-cmControlStateTransportDisconnected

cmEvCallStateChanged(state=cmCallStateDisconnected, statemode=cmCallStateModeDis
connectedNormal)

0-Disconnected-cmEvCallStateChanged reason = -1

cmEvCallStateChanged(state=cmCallStateIdle, statemode=cmCallStateModeDisconnecte
dBusy)

H323ap select codec g711Ulaw64k
H323ap select codec g711Ulaw64k, TxM=2 echo=1