VoIP Blog - Page 855

pdt: This module translates numerical codes into domains and update accordingly the R-URI. The module looks up at the R-URI part of a message and if the user part begins with an established prefix it will update the…

This module contains all authentication related functions that need the access to the database. This module should be used together with SER module auth module, it cannot be used independently because it depends on the module. Select this…

The module implements a simplified database engine based on text files. It can be used by SER DB interface instead of other database module (like MySQL). The module is meant for use in demos or small devices that…

Media Server: In a PacketCable environment (and other VOIP networks) a Media Server processes and generates media streams (usually RTP). It handles functions like: decoding DTMF tones bridging multiple media streams into a conference playing announcements (e.g. “This…

Iperia http://www.iperia.com/ Iperia, privately held and funded by Swiss venture firm Friedli Corporate Finance, is the emerging leader in service creation platform technology, serving both service providers (wireline, wireless, and broadband) and enterprise companies worldwide. Iperia’s flagship platform,…

RFC (Request for Comment) Most IETF standards are documented in RFC documents. However, not all RFC:s are standards, so beware of the status of the RFC. From the RFC Editors homepage: The Requests for Comments (RFC) document series…

RBOC (Regional Bell Operating Company) When ATT was broken up into 7 separate companies, each of the new geographically limited companies was referred to as a: Regional Bell Operatiing Company or RBOC. The seven RBOCs were: Ameritech Illinois…

Quote from RFC 1321 The MD5 algorithm takes as input a message of arbitrary length and produces as output a 128-bit “fingerprint” or “message digest” of the input. It is conjectured that it is computationally infeasible to produce…

Note: This page is work in progress README.channels Channels are named methods by which a leg of a call can be received or transmitted. Specifying a different channel name in a Dial statement allows one to transparently link…

SIP and RTP signalling compression is defined in SIGCOMP, RFC 3320. Another, more minor, way of compression is the compact headers, defined in various RFC:s. About this in the SIP RFC 3261: 7.3.3 Compact Form SIP provides a…

From the introduction in RFC 3320: Many application protocols used for multimedia communications are text-based and engineered for bandwidth rich links. As a result the messages have not been optimized in terms of size. For example, typical SIP…

This project has been taken over by CMSOFAZ.COM. I have updated the project to work with the newest version of asterisk (1.2.7.1), and added the following features. After updating the project I ran it in production for 3…

IEC (International Electroctechnical Commission) Examples of IEC standards: (quoted from the IEC website) IEC DICT (2002-10) Ed. 5.0 IEC Multilingual Dictionary on CD-ROM The edition 5 of its best selling Multilingual Dictionary on CD-ROM features all parts of…

SER Example: message forking Example script showing both types of forking; incoming message is forked in parallel to ‘nobody’ and ‘parallel’, if no positive reply appears with final_response timer, nonsense is retried (serial forking); than, destination ‘foo’ is…