Oracle Communication Session Boarder Controller (OCSBC) : SBC is Converting the received DTMF to SIP-INFO
(Doc ID 2717591.1)
Last updated on OCTOBER 13, 2020
Applies to:Acme Packet 6300 - Version E-Cz8.1.0 to S-Cz8.4.0 [Release E-Cz8.0 to S-Cz8.0]
Information in this document applies to any platform.
Caller is sending DTMF as RTP telephone-events, but the SBC is sending them forward in SIP INFO messages.
End party does not support INFO, resulting in 405 messages, resulting in the fact that the caller is not able to choose from IVR menu.
This is new call flow and the customer made some changes in configuration.
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