Upgrade 3CX to v18 and get it hosted free!

Author: VoIP Info

jabber

Jabber is a standard for Instant messaging. The Jabber protocol is being standardized in the IETF. Jabber is an open XML protocol for the real-time exchange of messages and presence between any two points on the Internet. The…

Read More »

SIPconnect

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…

Read More »

CCMI

Center for Communications Management Informationhttp://www.ccmi.com CCMI offers local calling area data for outbound VOIP numbers. In many cases VOIP companies sign up customers and do not provide the outbound (into the VOIP number) local calling area for your…

Read More »

UltraEdit Syntax Highlighting

For highlighting in Ultra edit add following lines to worldfile_plus.txt file. The file is usually located at c:\program files\ultraedit. lines to append to file: /L9"Asterisk" Line Comment = ; Block Comment On = ; Block Comment Off =…

Read More »

SoundStation IP 3000

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…

Read More »

LERG

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….

Read More »

Agents without agent channel

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…

Read More »

Asterisk cmd Math

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:…

Read More »

T.37

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…

Read More »

SIPgate – German-based VoIP Provider

SIPGATE Germany SIPGATE United Kingdom VOIP to PSTN as well as PSTN to VOIP service provider (voicemail is planned and in Germany available as a test). Subscribers to this service get a public phone number that people can…

Read More »

IP PBX architecture

IP PBX architecture There are three different types of IP PBX architectures: IP, hybrid IP, and Legacy Time Division Multipler (TDM) IP An IP architecture does all of its switching in the IP world which means no transcoding…

Read More »

3com

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…

Read More »

DSx

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…

Read More »

Asterisk cmd StripMSD

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…

Read More »

Asterisk cmd StripLSD

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…

Read More »
Get 3CX - Absolutely Free!
Link up your team and customers Phone System Live Chat Video Conferencing

Hosted or Self-managed. Up to 10 users free forever. No credit card. Try risk free.

3CX
A 3CX Account with that email already exists. You will be redirected to the Customer Portal to sign in or reset your password if you've forgotten it.