Practical VoIP Using VOCAL

Index

Symbols

$ (dollar sign), Keys and contacts

* (asterisk) regex, Keys and contacts

*69, Return Calls, Call Return

+ (plus sign), Keys and contacts

. (period), Keys and contacts

100 Trying message, Redirection, Putting It All Together, Sample SIP Call Message Flow, INVITE, SIP Status Message Handling

180 Ringing message, Basic Call Setup, Putting It All Together, Sample SIP Call Message Flow, 180 Ringing /183 Session Progress, Ring-back tone, Rings

183 Session Progress message, 180 Ringing /183 Session Progress, Rings

18x responses, Threads

1xx responses, SIP Response Messages, Proxying, Messages

200 message (MGCP), Two-level implementation, Rings

200 OK message, Basic Call Setup, Registration, Putting It All Together, SDP Messages, Sample SIP Call Message Flow, A Forking Example, Constructing and Deconstructing Messages, Example 2, Making a call, Error States and Operators

250 message (MGCP), Two-level implementation

2xx responses, Messages, 180 Ringing /183 Session Progress

302 Moved Temporarily message, Proxying, Putting It All Together, 180 Ringing /183 Session Progress, Ongoing Development, MGCP Translator

3G Wireless, VoIP Protocol Stacks

3PCC (third-party call control), JTAPI Servers, B2BUA

3xx responses, Messages

401 Already Offhook message, Key Data Structure

401 Unauthorized message, INVITE

402 Billing Required message, 180 Ringing /183 Session Progress

403 Connection Refused message, Internet Control Message Protocol (ICMP) messages, Network Address Translation traversal

404 Host Down message, ...