Author: VoIP Info
BSD
The FreeBSD Project VoIP technologies available on FreeBSD Aqua Gatekeeper – Aqua H323 Gatekeeper and proxy Asterisk – the open source PBX and multi-protocol VoIP server CallWeaver – an open source PBX derived from Asterisk CPhone – H323…
Read More »Asterisk MFC R2
Page Contents Disclaimer New MFC/R2 Library Architecture Getting zaptel set up to use an E1 card for MFC/R2 Getting the libraries installed Testing your MFC/R2 signalling installation Getting Asterisk to work with your MFC/R2 setup Country and carrier…
Read More »Asterisk gastman
Gastman (note: this does not appear to be under active development though nightly snapshots are still provided and code still works. If you are the author, please update this page. – March 6, 2007) Gastman is a graphical…
Read More »MPLAT
Products: USB Phone P1K for skype USB Phone P3K for skype USB Telbox B2K for Skype, support h323, SIP ===IP Phone T1K === Key Features Make/receive both VoIP calls and PSTN regular calls Rings loudly on an incoming…
Read More »Asterisk cmd SayUnixTime
Synopsis Says a date and/or time to the caller. Syntax SayUnixTime(unixtime,timezone,format) Description Uses some of the sound files stored in /var/lib/asterisk/sounds to construct a phrase saying the specified date and/or time in the specified format. unixtime is the…
Read More »DTMF
The following definition for DTMF comes from Wikipedia “Dual-tone multi-frequency (DTMF) signaling is used for telephone signaling over the line in the voice-frequency band to the call switching center. The version of DTMF used for telephone tone dialing…
Read More »BRI
BRI (Basic Rate Interface) BRI is an ISDN access method, typically used for home and small offices. Consists of two 64Kps digital channels and one 16Kbps digital signalling and control channel. Often referred to as 2B+D Support for…
Read More »Asterisk mpg123 redhat
Musiconhold on RedHat Linux Redhat (v7-v9) has replaced the mpg123 application with another application, mpg321, and created a symbolic link to “mpg123”, so it seems to work in the same way. Asterisk MusicOnHold only works with original mpg123….
Read More »mpg123
Quoted from the homepage: “mpg123 is a real time MPEG 1.0/2.0/2.5 audio player for layers 1,2 and 3 (MPEG 1.0 layer 3 aka MP3 most commonly tested). Among others working with Linux, MacOSX, FreeBSD, SunOS4.1.3, Solaris 2.5, HPUX…
Read More »Asterisk SIP localnet
Synopsis localnet = net.ip.addr/subnet.mask Description Hosts falling within the network ranges specified by the localnet option will be excluded from any NATing efforts by Asterisk. As a result, the source IP address within the SIP requests/responses will use…
Read More »Asterisk hardware Soekris
Asterisk on the Soekris net5501 The net5501 is the newest board from Soekris Engineering. Performance tests are still being conducted, but it looks to be more than twice as fast as the net48xx series of boards. A beta…
Read More »Asterisk LDAP
LDAP integration for Asterisk The “light weight directory” offers a means for central user administration for your network, including VoIP data. Asterisk::LDAP Asterisk::LDAP is a perl module that provides an Object Oriented interface to a set of methods…
Read More »SCTP
Stream Control Transmission Protocol From RFC 3286 :An Introduction to the Stream Control Transmission Protocol (SCTP) The Stream Control Transmission Protocol (SCTP) is a new IP transport protocol, existing at an equivalent level with UDP (User Datagram Protocol)…
Read More »Asterisk user authentication
There are at least a couple of reasons why you would want to authenticate a user: restrict access to voicemail give authenticated users access to more extensions such as allow them to call in and then make outgoing…
Read More »NFAS
NFAS (Non-Facilities Associated Signaling) is an ISDN feature for sharing one ISDN D channel accross multiple ISDN PRI lines. Example, if you used NFAS to share one D channel accross 10 PRI lines, you would gain 9 extra…
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