[asterisk-users] using asterisk on a shared line

Tom Browning ttbrowning at gmail.com
Thu Jul 23 19:58:47 CDT 2009


An exclusion adapter is overkill.  My Asterisk line card is the $10 Win
modem card that I got from ebay.

When you call my copper line, two devices see the inbound ringer:

1.  The Uniden 5.8Ghz cordless phone base station that answers 95% of the
calls
2.  Asterisk with a win modem line card that: a. runs a perl AGI script to
parse caller-id name and number b. rings a sip extension or c. answers the
call and plays funny messages and DTMF tones at the telemarketers.

Just make sure that Asterisk only RINGS the sip extensions but never sends
the call to play a message or voicemail or any other Asterisk feature that
will issue an implicit Answer and take the call.
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