Articles in the voice category

  1. TCL Onramp Script for T.37 Store and Forward Fax

    Posted on in voice

    Fax (photo by zd) [id: 722728]Note: This is part of a discussion regarding the configuration of a Cisco AS5300 for T.37 Store and Forward Faxing.

    Unfortunately, the Cisco AS5300 does not have the ability to handle incoming fax processing without the help of additional software. You can download the app_faxmail_onramp TCL script from the …

  2. T.37 Store and Forward Fax and Cisco AS5300: Full Configuration

    Posted on in voice

    fax receive called-subscriber $d$
    fax interface-type fax-mail
    mta send server port 25
    mta send subject Incoming Fax Received
    mta send postmaster
    mta send mail-from hostname
    mta send mail-from username $s$
    call application voice onramp flash:app_faxmail_onramp.
    dial-peer …
  3. Asterisk Channel Variables and the Asterisk::AGI Perl Module

    Posted on in voice

    When calling an AGI from inside your dialplan, you can pass variables to your AGI via the AGI() application call. The AGI() application takes parameters in the following format (note the ';' is only necessary in AEL:


    The additional arguments are useful when passing in non-channel …

  4. Debugging AGIs In Asterisk

    Posted on in voice

    Asterisk LogoTrying to debug an <acronym title="Asterisk Gateway Interface">AGI</acronym> in Asterisk can be a frustrating experience. The main problem is that STDERR only outputs to the terminal Asterisk was started from. In most cases, this means the terminal is the server console. If your Asterisk server is sitting …

  5. VoIP Hairpinning Issues

    Posted on in voice

    When using Asterisk and a remote bank of <acronym title="Primary Rate Interface">PRI</acronym>s (or any other form of <acronym title="Public Switched Telephone Network">PSTN</acronym> connectivity for that matter), you may encounter an issue known as hairpinning. Hairpinning describes what happens when a call coming from …

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