D.2. adsi.conf
The Analog Display Services Interface
(ADSI) was designed to allow telephone
companies to deliver enhanced services across analog telephone
circuits. In Asterisk, you can use this file to send ADSI commands
to compatible telephones. Please note that the phone must be
directly connected to a Zapata channel. ADSI messages cannot be
sent across a VoIP connection to a remote analog phone.
The res_adsi.so
module is required for the Voicemail( ) application;
however, the adsi.conf file is not
necessarily used. Detailed information about ADSI is not publicly
available, and documentation needs to be purchased from
Telcordia.
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