>Для звонков через Microsoft NetMeeting также следует указать следующие
>   команды:
>
>       !
>       voice service voip
>       h323
>       h245 tunnel disable
>       h245 caps mode restricted
>       !

это было уже

добавил
...
voice class h323 1
  h245 caps mode restricted
...
dial-peer voice 1755 voip
description NETMEETING
destination-pattern 1...
voice-class codec 1
voice-class h323 1
session target ras
...

результат тот же

as5350#s deb cch323 h245
звоним с netmeet
....
телефон звонит, берем трубку

Apr 25 16:29:31: cch323_h245_channel_established_ind: using fd=3 to send msgs

Apr 25 16:29:31: Changing to new event H245_ESTABLISHED_EVENT
Apr 25 16:29:31: cch323_h245_connection_sm:H245_LISTEN: received event H245_ESTABLISHED_EVENT while at H245_WAITING state

Apr 25 16:29:31: Set new event H245_EVENT_CAP_REQ, for callID 82D
Apr 25 16:29:31: cch323_run_h245_cap_out_sm: received event H245_EVENT_CAP_REQ while at state H245_CAP_NONE
Apr 25 16:29:31: changing from H245_CAP_NONE state to H245_CAP_WAIT state
Apr 25 16:29:31: Changing to new event H245_EVENT_MSD, for callID 82D

Apr 25 16:29:31: cch323_run_h245_ms_sm: received event H245_EVENT_MSD while at state H245_MS_NONE
Apr 25 16:29:31: changing from H245_MS_NONE state to H245_MS_OUTGOING_WAIT state
cch323_run_h245_ms_sm: Sent MSD Request
changing from H245_WAITING state to H245_CONNECTED state
Apr 25 16:29:31: Set new event H245_EVENT_CAP_IND, for callID 82D
Apr 25 16:29:31: cch323_run_h245_cap_in_sm: received event H245_EVENT_CAP_IND while at state H245_CAP_IDLE
Apr 25 16:29:31: Set new event H245_EVENT_CAP_REQ, for callID 82D
Apr 25 16:29:31: cch323_run_h245_cap_out_sm: received event H245_EVENT_CAP_REQ while at state H245_CAP_WAIT
Apr 25 16:29:31: cch323_run_h245_cap_out_sm: Invalid event H245_EVENT_CAP_REQ for state H245_CAP_WAIT
Apr 25 16:29:31: changing from H245_CAP_IDLE state to H245_CAP_AWAITING_RESPONSE state
Apr 25 16:29:31: Set new event H245_EVENT_CAP_RESP, for callID 82D
Apr 25 16:29:31: cch323_run_h245_cap_in_sm: received event H245_EVENT_CAP_RESP while at state H245_CAP_AWAITING_RESPONSE
Apr 25 16:29:31: changing from H245_CAP_AWAITING_RESPONSE state to H245_CAP_IDLE state
Apr 25 16:29:31: cap_notify: check_data_and_usr_inp returned
Apr 25 16:29:31: Changing to new event H245_EVENT_MS_IND, for callID 82D

Apr 25 16:29:31: cch323_run_h245_ms_sm: received event H245_EVENT_MS_IND while at state H245_MS_OUTGOING_WAITMSDetermination: rtt=50 rsdnum=2831541, ltt=60 lsdnum=9675
MSDetermination: Am MASTER, ccb->h245.h245_mdStatus = 0x1
MS_Determine_indication to Appl!

Apr 25 16:29:31: changing from H245_MS_OUTGOING_WAIT state to H245_MS_INCOMING_WAIT state
cch323_run_h245_ms_sm: Sent MSD ACK!

Apr 25 16:29:31: Changing to new event H245_EVENT_MS_CFM, for callID 82D

Apr 25 16:29:31: cch323_run_h245_ms_sm: received event H245_EVENT_MS_CFM while at state H245_MS_INCOMING_WAITLocal Status = 0x1, My remote Status = 0x1
MSD Determine CFM to APPL, both sides agree!

Apr 25 16:29:31: changing from H245_MS_INCOMING_WAIT state to H245_MS_DONE state

15 секунд тишины и
Apr 25 16:29:46: Set new event H245_EVENT_CAP_TIMER_EXPIRY, for callID 82D
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 25 16:29:46: cch323_run_h245_cap_out_sm: received event H245_EVENT_CAP_TIMER_EXPIRY while at state H245_CAP_WAIT
Apr 25 16:29:46: CAP_TIMER_EXPIRY
Apr 25 16:29:46: changing from H245_CAP_WAIT state to H245_CAP_NONE state
Apr 25 16:29:46: Changing to new event H245_DISCONNECT_EVENT
Apr 25 16:29:46: cch323_h245_connection_sm:H245_CONNECT: received event H245_DISCONNECT_EVENT while at H245_NONE state

звонок закончен, netmeeting ответа не дождался