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Introduced in Cisco Unified CallManager Release 4.2(1), support exists for overlap sending and receiving for H.323 gateways. H.323 module users do not need to dial all the digits for the setup message to be sent to an H.323 device. You can enable the...
Please follow up on this guide in PDF format in the following link:http://www.cisco.com/en/US/prod/collateral/vpndevc/ps6525/ps9370/ps7180/GETVPN_DIG_version_1_0_External.pdf
How many CCM servers in the cluster? Are you seeing this behavior on PSTN calls or IP to IP phones calls?What type of GW(s) do you have MGCP or H323?Have you check for high CPU on the CCM servers?What is the exact version/build of the CallManager?Wha...
