[SIPForum-discussion] difference between INFO and OPTIONS method?

[Halit Sakca]

Hey,Q: How are DTMF digits sent before the session setup? 
A: You should configure your mediagateway also residential gw according to your network. (AS or Proxy)
 
Halit


Date: Fri, 7 Dec 2007 15:09:33 +0000From: nidhi_jain6680 at yahoo.co.inTo: discussion at sipforum.orgSubject: [SIPForum-discussion] difference between INFO and OPTIONS method?Hello,         CANCEL request is sent when response to INVITE message is not received. If this INVITE request is lost and UA may still send a CANCEL request. Is this possible? Can CANCEL request be sent without sending an INVITE message?         What is the basic difference between INFO and OPTIONS method? can OPTIONS used for mid-call signalling?         Why is ACK request required? Is it just to avoid retransmission of response message. This could be done even by starting the media transmission.         How are DTMF digits sent before the session setup? Please reply. Thank you. 


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