на тот момент лога нет, сейчас slmon подключен, но пока еще будет очередная попытка... это не каждый день и не каждый час

UPD: ан нет, вру - есть...
05:37:29 [1128123] 8: 704=REGISTER
05:37:29 [1128125] 8: 704=REGISTER_AUTHN
05:37:29 [1128127] 8: 704=REGISTERED
05:37:30 [1128136] 8: Release Old Dlg #1
05:44:18 [1132218] 9: =OFFERING
05:44:18 [1132218] 9: Get CallerId=1
05:44:18 [1132218] 9: Check Trunk FixLine
05:44:18 [1132218] 9: Hunting Trunk Line
05:44:18 [1132218] 4: Peer=192.168.1.6:8324, PT=18, RecvOnly=0
05:44:18 [1132218] 4: TrunkPrefix=, Dest=00700972597544218, Dialno=00700972597544218
05:44:18 [1132218] 4: FxoHookOff
05:44:18 [1132218] 4: SetInputGain(-5)
05:44:18 [1132218] 4: ==18:TrunkDialOut
05:44:19 [1132229] 4: DialOut(00700972597544218)=0
05:44:22 [1132256] 4: Fxo DialOut OK
05:44:22 [1132257] 9: =ACCEPT
05:44:22 [1132257] 4: ==13:VoipAnswering
05:44:30 [1132335] 4: Fxo Detected BTC(3)
05:44:30 [1132335] DSP_ch4_check=0
05:44:30 [1132335] 4: FxoHookOn
05:44:30 [1132335] 4: ==15:PlayBusyTone
05:44:30 [1132336] DSP_ch4_check=0
05:44:30 [1132336] 4: FxoHookOn
05:44:30 [1132336] 4: ==3:Idle
05:44:30 [1132336] 4: SetInputGain(4)
05:44:30 [1132336] 4: SetFax(1)=0
05:47:29 [1134123] 8: 704=REGISTER
05:47:29 [1134125] 8: 704=REGISTER_AUTHN
05:47:29 [1134126] 8: 704=REGISTERED
05:47:37 [1134199] 8: Release Old Dlg #1
05:52:51 [1137340] 9: =OFFERING
05:52:51 [1137340] 9: Get CallerId=1
05:52:51 [1137340] 9: Check Trunk FixLine
05:52:51 [1137340] 9: Hunting Trunk Line
05:52:51 [1137340] 4: Peer=192.168.1.6:8324, PT=18, RecvOnly=0
05:52:51 [1137340] 4: TrunkPrefix=, Dest=000972597544218, Dialno=000972597544218
05:52:51 [1137340] 4: FxoHookOff
05:52:51 [1137340] 4: SetInputGain(-5)
05:52:51 [1137340] 4: ==18:TrunkDialOut
05:52:52 [1137352] 4: DialOut(000972597544218)=0
05:52:55 [1137376] 4: Fxo DialOut OK
05:52:55 [1137377] 9: =ACCEPT
05:52:55 [1137377] 4: ==13:VoipAnswering
05:53:03 [1137455] 4: Fxo Detected BTC(3)
05:53:03 [1137455] DSP_ch4_check=0
05:53:03 [1137455] 4: FxoHookOn
05:53:03 [1137455] 4: ==15:PlayBusyTone
05:53:03 [1137456] DSP_ch4_check=0
05:53:03 [1137456] 4: FxoHookOn
05:53:03 [1137456] 4: ==3:Idle
05:53:03 [1137456] 4: SetInputGain(4)
05:53:03 [1137456] 4: SetFax(1)=0
номера - видмом я так понимаю попытка подбора выхода префикса на город. начало разное, сам номер обычно одинаков.
05:54:56 [1138587] 9: =OFFERING
05:54:56 [1138587] 9: Get CallerId=1
05:54:56 [1138587] 9: Check Trunk FixLine
05:54:56 [1138587] 9: Hunting Trunk Line
05:54:56 [1138587] 4: Peer=192.168.1.6:8324, PT=18, RecvOnly=0
05:54:56 [1138587] 4: TrunkPrefix=, Dest=810972597544218, Dialno=810972597544218
05:54:56 [1138587] 4: FxoHookOff
05:54:56 [1138587] 4: SetInputGain(-5)
05:54:56 [1138587] 4: ==18:TrunkDialOut
05:54:57 [1138599] 4: DialOut(810972597544218)=0
05:54:59 [1138623] 4: Fxo DialOut OK
05:55:00 [1138624] 9: =ACCEPT
05:55:00 [1138624] 4: ==13:VoipAnswering
05:55:07 [1138694] 9: =OFFERING
05:55:07 [1138694] 9: Get CallerId=1
05:55:07 [1138694] 9: Check Trunk FixLine
05:55:07 [1138694] 9: Hunting Trunk Line
05:55:07 [1138695] 5: Peer=192.168.1.6:8324, PT=18, RecvOnly=0
05:55:07 [1138695] 5: TrunkPrefix=, Dest=810972597544218, Dialno=810972597544218
05:55:07 [1138695] 5: FxoHookOff
05:55:07 [1138695] 5: SetInputGain(-5)
05:55:07 [1138695] 5: ==18:TrunkDialOut
05:55:08 [1138706] 5: DialOut(810972597544218)=0
05:55:10 [1138730] 5: Fxo DialOut OK
05:55:10 [1138731] 9: =ACCEPT
05:55:10 [1138731] 5: ==13:VoipAnswering
05:55:10 [1138732] 9: =OFFERING
05:55:10 [1138732] 9: Get CallerId=1
05:55:10 [1138732] 9: Check Trunk FixLine
05:55:10 [1138732] 9: Hunting Trunk Line
05:55:10 [1138732] 6: Peer=192.168.1.6:8324, PT=18, RecvOnly=0
05:55:10 [1138732] 6: TrunkPrefix=, Dest=900972597544218, Dialno=900972597544218
05:55:10 [1138732] 6: FxoHookOff
05:55:10 [1138732] 6: SetInputGain(-5)
05:55:10 [1138732] 6: ==18:TrunkDialOut
05:55:11 [1138744] 6: DialOut(900972597544218)=0
05:55:14 [1138768] 6: Fxo DialOut OK
05:55:14 [1138769] 9: =ACCEPT
05:55:14 [1138769] 6: ==13:VoipAnswering
05:55:21 [1138843] 4: St_VoipAnswering Timeout
05:55:21 [1138843] 4: ==15:PlayBusyTone