asterisk users - Dec 2011 - How to create SIP INVITE with different To: Header field than Request-Line URI

Hello,

 

I'm trying to interface Asterisk with a third party voicemail system. This
voicemail system registers itself as extension 199. This voicemail system
gets the DID number (mailbox) from the SIP To: header field.

 

My problem is creating the SIP INVITE with a  To: field that's different
that the Request-Line URI

 

I need to create an INVITE that looks like this in Asterisk:

 

20:23:12 UDP Packet Received from 127.0.0.1:5060
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

INVITE sip:199 at 127.0.0.1:5070;target=101%40voicemailserver;cause=486 SIP/2.0

Via: SIP/2.0/UDP 10.11.11.205:5060;rport;branch=z9hG4bK253292

To: <sip:101 at voicemailserver>

From: "101"<sip:101 at 10.11.11.205>;tag=3277

Call-ID: 1325031862-3292-VOICEMAILSER at 10.11.11.205

CSeq: 14 INVITE

 

Can this be accomplished?

 

Mike

 

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