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-------- Original Message -------- Subject: Re: [Sip-implementors] Call hold questions Date: Tue, 25 Nov 2003 11:22:51 -0500 From: Mark A. Stacy <[EMAIL PROTECTED]> Organization: Delta Informations Systems, Inc. To: Andreas Bystr�m <[EMAIL PROTECTED]>, "Sip Implemators" <[EMAIL PROTECTED]> References: <[EMAIL PROTECTED]>
Hello Andreas,
At SipIT 13 in Ottawa method #2 was discussed as the preferred mechanism.
Regards, Mark
----- Original Message ----- From: "Andreas Bystr�m" <[EMAIL PROTECTED]> To: "Sip Implemators" <[EMAIL PROTECTED]> Sent: Tuesday, November 25, 2003 11:20 AM Subject: [Sip-implementors] Call hold questions
isI'm a bit confused regarding Call Hold service using SIP. I have seen two differnet approaches to solve this:
1. Send a re-Invite with "0.0.0.0" as the IP address in the sdp data 2. Send a re-Invite with the parameter a=sendonly set in the sdp data
Is there some draft or RFC about this? Which one is preferred? I guess it
best to have support for both ways (at least receiveng call hold) but whenI
send the call hold I need to know which way to use.
Do you see any pros/cons about the two different solutions?
Regards, Andreas
____________________________________ Andreas Bystrom Computer Engineer
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