[cisco-voip] FXO Disconnect on H323 and MGCP difference?

[Jefflin Choi]

Hi,

Is there a difference with regards to supervisory disconnect tone on FXO
using H323 gateway and MGCP gateway?

Problem is... Have this setup were supervisory disconnect tone works on MGCP
gateway while not working on h323 gateway.

Same telco provider. Recorded and checked the disconnect tone and both same
freq and cadence.
Same router platform and ios version.
both H323 and MGCP gateways is connected on the same CCM.
FXO's are used for outgoing calls only.

Setup:
IP phone---ccm5.0.4----3845(ios 12.4(9)T2)-----PSTN.

Configs:
voice class custom-cptone test
dualtone busy
frequency 480 620
cadence 500 500
dualtone disconnect
frequency 480 620
cadence 250 250
:
voice-port 3/0/1
supervisory disconnect dualtone mid-call
supervisory custom-cptone test
no battery-reversal
timeouts call-disconnect 0
timeouts wait-release 1
timing hookflash-out 50
caller-id enable

Attached is the running config and the disconnect tone recorded in case my
interpretation of the freq and cadence is wrong.

Appreciate any help i can get.

Thanks!
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