This chapter provides information about the CSP’s implementation of Session-Initiation Protocol (SIP) software.
SUBSCRIBE and NOTIFY Method for DTMF Detection
Host Control Method of SIP 180 Provisional Response Generation
Host Notification of Selective SIP Header Information
Call Progress Notification to Host with PPL Event Indication
Programmable SIP URI Extensions
Support for Request URI Parameters in SIP INVITE Messages
RFC 2833 (DTMF Digits) Dynamic Payload Negotiation
SIP/VoIP Media Parameters Synchronization
Host Controlled SIP Registration Failure Response Code
Call-ID Reporting for Outbound SIP Calls
SIP Registration Duration Check
Codec List in SIP-Initiated Offer
PPL Event Request for RE-INVITE Message
Possible Modifications to Existing Applications