VoIP Blog - Page 856

SER application integration this example shows use of ser as stateless redirect server which rewrites URIs using an exernal utility $Id: exec.cfg,v 1.7 2003/06/03 03:18:12 jiri Exp $   —————— module loading ———————————- loadmodule “modules/exec/exec.so” loadmodule “modules/sl/sl.so” ————————-…

SIP Express Router example: accounting calls to numerical destinations   $Id: acc.cfg,v 1.3 2003/06/03 03:18:12 jiri Exp $   —————— module loading ———————————- loadmodule “modules/tm/tm.so” loadmodule “modules/acc/acc.so” loadmodule “modules/sl/sl.so” loadmodule “modules/maxfwd/maxfwd.so” loadmodule “modules/rr/rr.so” —————– setting module-specific parameters —————…

chan_oss tips Hardware phone connected to sound card How to use a modified chan_oss to operate an old POTS (or DECT) phone that is plugged into a sound cord on an Asterisk box See also Asterisk Siemens M20:…

From thet OpenSS7 Web site: This is an opensource development project (called OpenSS7) to provide a robust and GPL’ed SS7 and SIGTRAN stack for Linux and other UN*X operating systems. Perhaps we should have called it LinuxSS7, or…

This module contains functions that are used to perform authentication using a Radius server. Basically the proxy will pass along the credentials to the radius server which will in turn send a reply containing result of the authentication….

sms: This module provides a way of comunication between SIP network (via SIP MESSAGE ) and GSM networks (via ShortMessageService). Comunication is possible from SIP to SMS and vice versa. The module provides facilities like SMS confirmation: the…

The SL module allows ser to act as a stateless UA server and generate replies to SIP requests without keeping state. That is beneficial in many scenarios, in which you wish not to burden server’s memory and scale…

msilo: This modules provides offline message storage for the SIP Express Router. It stores received messages for an offline user and sends them when the user becomes online. For each message, the modules stores “Request-URI” (“R-URI”) only if…

jabber: This is new version of jabber module that interfaces the SIP server to Jabber instant messaging. Through jabber, messages can be sent to ICQ, MSN and many other IM platforms. It integrates XODE XML parser for parsing…

From RFC 2848 PINT Service protocol: At some point, either the Client’s representative User Agent Server or the Gateway may decide to terminate the monitoring session. This is achieved by sending an UNSUBSCRIBE request to the correspondent server….

From the SIP RFC 3261: When a user agent client desires to initiate a session (for example, audio, video, or a game), it formulates an INVITE request. The INVITE request asks a server to establish a session. This…

From the SIP RFC: Registration entails sending a REGISTER request to a special type of UAS known as a registrar. A registrar acts as the front end to the location service for a domain, reading and writing mappings…

Implemented SIP security in Asterisk MD5 Digest Authentication. This is a feature of the SIP protocol. Password are not sent in clear text. Not implemented SIP security in Asterisk SIPS – SIP over SSL over TCP. Since SIP…