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SIP Diversion Header and Original Called Number

Hi,

I am in the process of trying to get calls into a voicemail (VM) system from our CCME 3.4 using some SIP phones.

I have set up a forward on an extension so that when a call is unanswered, it is forwarded to the subscriber number on the VM system.

Looking at a trace on the inbound SIP packets to the VM server, I can see that the incoming header contains a diversion. It contains the caller number and the called number represents the subscriber number on the VM server however there is no indication of the original dialled number. This is required by the VM server to determine that this is a VM call, rather than a regular subscriber call.

Do I need to specify something special in my config to get the CCME to include the original called number in the header?

Thanks in advance

Matt

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