
Author: VoIP Info
Asterisk channel variable DIALSTATUS
Contains a text string signifying result of the last Asterisk cmd Dial attempt: ANSWER: Call is answered. A successful dial. The caller reached the callee. BUSY: Busy signal. The dial command reached its number but the number is…
Read More »myJabber
Product discontinued? Website content missing as of 2009-02-24 See: http://www.myjabber.net The myJabberAE SIP soft phone integrates well with the myJabber IM. SLTS Communications myJabber License Agreement IMPORTANT NOTICE: The free download version of myJabber is intended for use…
Read More »IEEE
IEEE (Institute of Electrical and Electronics Engineers) http://www.ieee.org/ From the IEEE website: Through its technical publishing, conferences and consensus-based standards activities, the IEEE produces 30 percent of the world’s published literature in electrical engineering, computers and control technology,…
Read More »nufone.de
*nufone (This is unrelated to Nufone.) VOIP to PSTN as well as PSTN to VOIP service provider with voicemail. Subscribers to this service get a public phone number that people can call (only in “selected cities” in Germany…
Read More »Intercepting SIP Calls
Intercepting SIP Calls The following discussion applies solely to VoIP using the SIP protocol. H.323 and MGCP are widely used, but they present different isuues when considering call interception. Many ITSP’s are being confronted with the requirement that…
Read More »Asterisk E164 Call Routing
How to Store Asterisk Call Routing Information in the DNS One of the limitations of Asterisk is the dialplan definition. While using wildcards such as NXX can be reasonably flexible, for a flexible dialplan, where you might want…
Read More »SIP method refer
The SIP REFER method is described in RFC 3515 which says in part: This document defines the REFER method. This Session Initiation Protocol (SIP) extension requests that the recipient REFER to a resource provided in the request. It…
Read More »Vovida
Vovida.Org – Open Source Communications Vovida is a communications community site dedicated to providing a forum for open source software used in datacom and telecom environments. Products offered by Vovida include: VOCAL a softswitch A SIP load balancing…
Read More »MVP810 with Asterisk
Making MVP210/410/810 and Asterisk working together. There’s a few parts envolved: 1. Initial configuration: sadly this has to be done with Multitech’s windows only program. Connects the modem cable to MVP810 and an available pc serial port, start…
Read More »Primus Canada
Primus Canada offers a service called . Subscribers to this service get a real PSTN phone number that people can call (you get to pick which area code it’s in, and can even use your existing phone number)….
Read More »Linux Router
Linux QoS and Router Howto In this howto, I would like to demonstrate how to build a powerful router that supports QoS, stateful firewalling and many other features that linux is capable of. All using a spare computer…
Read More »Asterisk Data Configuration
Page Contents Example 1: June 05, 2004 October 6, 2004 Nov. 2, 2005 See also Zaptel PRI cards (T100P, E100P, T400P, TE405P, TE410P) can be configured for data (HDLC “family”) communication (WAN router), as well as hybrid configurating…
Read More »DNIS
DNIS, Dialed Number Identification Service From Wikipedia, DNIS is defined as follows: “Dialed Number Identification Service (DNIS) is a service sold by telecommunications companies to corporate clients that lets them determine which toll-free telephone number was dialed by…
Read More »DIALEDPEERNUMBER
This variable should contain the number of the called party. Unfortunately it is broken for now and only contains the second part of the internal/temporary channel information (the part after the technology ie gs1-8b21 if the DIALEDPEERNAME was…
Read More »UDP
UDP: User Datagram Protocol A protocol for transmitting data. As contrasted to TCP, UDP is: packet-basedData is sent as discrete packets. No buffering is performed and packets are sent as soon as the sending application generates them. unreliable…
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