HP-UX C SIP Stack Programmer's Guide (Novembery 2007)

iv HP-UX C SIP Stack Programmer’s Guide
Stack Object 19
Dialog (Call-leg) 19
Register-Client 19
Transaction 20
Subscription 20
Notification 20
Application Programming Interface (API) 20
API Modules 20
Conformance to Standards 22
SIP Stack 22
Methods 23
Responses 23
New Message Parameters 23
Security 23
Multipart MIME Bodies 23
Advanced DNS Queries 23
Feature Support 23
SUBSCRIBE-NOTIFY (SIP Events) 23
REFER 24
SIP-T 24
PRACK 24
ENUM 24
Connection Reuse 24
Parsing TEL, PRES and IM URIs 25
Service-route and Path Headers 25
SIP Session Timer 25
Replaces Header 25
Extensibility 25
Transport Support 26
TLS 26
Persistent Connection 26
IPv6 26
Enhanced Features 26
Enhanced SIP Parser 27
Multithreading 27
Configuration 27
Logging 27