Asterisk Presence for Cisco 79×1 Phones
Posted: March 4, 2007 Newer Cisco IP Phones such as the 7941, 7961, and 7971 now support BLF or presence information for speed dial numbers. Unfortunately, configuring the phones for this to work is not easy, nor straightforward. To get BLF working…
Read More »OpenSER module registrar
Posted: March 2, 2007 registrar module provides Path support according RFC 3327 to OpenSER registrars and home-proxies. Enabling path support is transparent to the user, the actions of “save()” and “lookup()” functions depend on the values of two module parameters: of parameter…
Read More »OpenSER module pdt
Posted: March 1, 2007 pdt module translates a numerical prefix into a domain and updates accordingly the request 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…
Read More »NPA 700
Posted: February 27, 2007 NPA 700 is a non-geographic code. This number space is defined separately by each long distance provider. In theory, long distance providers could offer services, likely pay services, which users could reach by dialing 1010-XXX-1-700-NXXXXXX. The best know…
Read More »Asterisk settings for BrainTEL
Posted: February 26, 2007 Quick Instructions on how to setup Asterisk for BrainTEL BrainTEL only uses the g729 codec, make sure you have the g729 codec installed. Replace 210XXXX with your BrainTEL number in the following examples: SIP.conf [general] register => 210XXXX:<password>:[email protected]:8891/210XXXX…
Read More »Setting up paging using an answering machine
Posted: February 26, 2007 Some older AT&T answering machines such as 1715 and 1717 have a feature called “Room Monitor with Intercom” that can be used for paging and half duplex hands free conversations. These machines require you to enter a DTMF…
Read More »New Software Releases
Posted: February 25, 2007 This page is to inform on various VoIP related software releases. Your contributions are welcome, but please read the Posting Guidelines before you post. Page Contents March 2018 February 2018 January 2018 December 2017 November 2017 October 2017…
Read More »Vonage Business Plus
Posted: February 23, 2007 Business Plus SIP Trunking Connect your Asterisk, TrixBox, or other IP PBX directly to the largest VoIP carrier in the US. You made the effort to deploy Asterisk in your Enterprise. Why limit yourself to PSTN Connectivity? Forget…
Read More »Asterisk SIP register
Posted: February 23, 2007 The register directive (in sip.conf) tells Asterisk to register itself to a SIP provider. The basic format for register is: register => user[:secret[:authuser]]@host[:port][/extension] If no extension is given, the ‘s’ extension is used. The extension needs to be…
Read More »Asterisk DTMF
Posted: February 23, 2007 Page Contents Asterisk and DTMF (TouchTone) Variable length DTMF Inband Changing DTMF duration when sending for ZAP channels DTMF recognition DAHDI/Zaptel mISDN v2 Changing DTMF tone frequency in Asterisk AUDIO (inband) RFC2833/RFC4733 (inband) SIP INFO (out-of-band) DTMF in…
Read More »Installing Asterisk In A FreeBSD Jail
Posted: February 23, 2007 Installing Asterisk In A FreeBSD Jail There are two parts to this: first install the zaptel driver and make it available to the jail, then install Asterisk in the jail. Installing The ZapTel Driver The zaptel drivers are…
Read More »OpenSER module nathelper
Posted: February 21, 2007 nathelper is a module to help with NAT traversal. In particular, it helps symmetric UAs that don’t advertise they are symmetric and are not able to determine their public address. fix_nated_contact rewrites Contact header field with request’s source…
Read More »What is CDR?
Posted: February 21, 2007 CDR in telephony world stands for Call Detail Record. It is also referred to as call logs. This is the data that telecom companies share with each, and with their customers. It includes such details as the duration…
Read More »OpenSER module mysql
Posted: February 21, 2007 mysql module provides MySQL connectivity for OpenSER. It implements the DB API defined in OpenSER, usually being referred as MySQL driver for OpenSER. It does not offer functions usable from configuration script, being used by other modules like…
Read More »Diamondcard IAX Softphone
Posted: February 20, 2007 Diamondcard.us has developed its own IAX softphone. This phone has been in use for over two years. Its rock solid stable with excellent call quality. The latest release incorporates call conferencing, encryption and call recording. This softphone has…
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