VoIP Blog - Page 831

http://www.sipconnect.info/ SIPconnect Interface Specification From website: SIPconnect is an industry standards-based approach to direct IP peering between SIP-enabled IP PBXs and VoIP service provider networks. This website is the official source for current SIPconnect information, and the forum…

Polycom Soundstation IP 3000 The Polycom Soundstation IP 3000 conferencing phone comes in at least two flavors, one is a standardized H.323 and the other is for 3com NBX systems. They are rumored to have different ROM chips…

The LERG is a database that can be purchased from Telcordia. It contains information on every telephone switch in North America and which phone numbers they cover. Most telephone companies build their routing tables from the LERG data….

Here are two examples (one shorter, one long) how to establish queues without using chan_agent. Example 1 Desgined for Asterisk 1.2 [agent-login] exten => s,1,NoOp(${AgentUser}) exten => s,2,AddQueueMember(${AgentContext}|${AgentChannel}|${AgentPenalty}) exten => s,3,Wait(1) exten => s,4,Playback(agent-loginok) exten => s,5,Hangup exten…

Math cmd Math is deprecated in Asterisk 1.2. use func Math instead Synopsis math(returnvar,operation,number)   Description Adds Sum, Multiply, Divide, Subtract, Modulus, GT, LT, GTE, LTE, EQ functions All functions follow the same basic pattern for parameters: returnvar:…

T.37 is an ITU standard for sending FAX across IP networks in a store and forward mode. FAX messages are sent as MIME encoded email messages using SMTP. There are equivalent IETF RFCs. Venta4Net Plus, a Windows GUI…

3Com 3Com has deployed more than 18,000 IP PBX systems and 650,000 phones worldwide since its introduction of the industry’s first IP telephone system in 1998. 3Com has garnered 25 patents in voice over IP (VoIP) technology, allowing…

DSx (Digital Signal X) A standard for signaling and multiplexing of data on digital communications circuits. The DSx standard is derived from: ANSI T1.107. DSx data rates are multiples of one DS0 = one 64 Kbps channel. A…

Note: This command is completely obsolete and has been removed Synopsis Strip leading digits Description StripMSD(count) Strips the leading ‘count’ digits from the channel’s associated extension. For example, the number 5551212 when stripped with a count of 3…

Note: This command is completely obsolete and has been removed Synopsis Strip Least Significant Digits Description StripLSD(count) Strips the trailing ‘count’ digits from the channel’s associated extension. For example, the number 5551212 when stripped with a count of…

Install and configure Asterisk for ISDN4Linux Note: Asterisk 1.2 doesn’t support isdn4linux. Instead use either CAPI (with chan_capi), or zaphfc, or mISDN (with Kernel 2.6) or the like. First make sure your Linux has the isdn4linux module installed,…

This page is dedicated to what the future voicemail app needs to based on. The voicemail app has being made using certain guidelines that aren’t proper for future needs. To start, here is a brain storm of items…