[cisco-voip] Does Unity Connection 7.1.2a support SIP RFC 2833 for DTMF

[Mark Holloway]

Unity Connections should already support RFC 2833.  The Acme Session  
Director realms can be configured for Transparent DTMF (RFC 2833 to  
RFC 2833, or SIP Info to SIP Info), RFC 2833 to SIP Info, SIP Info to  
RFC 2833, or dual-mode where one realm is set to Transparent and the  
other realm (facing UC) sends both event types.  This is common where  
one SIP server requires one DTMF type then redirects the call to  
another SIP server that uses another DTMF type.



On Jun 24, 2009, at 1:44 PM, Jason Aarons (US) wrote:

> I have a SIP Trunk from Verizon Business running thru ACME Packet  
> box to CallManager 7.1(2a) which then routes to users voicemail on  
> Unity Connection 7.1.2a connected via SIP trunk.
>
> If I press Zero or another dtmf key press does Unity support RFC2833  
> for DTMF or is a dynamic MPT resource needing to be invoked ?
>
>
>
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