(1)Need to work with FXO ports,
(2)Need to connect with
(3)Need to connect with another SIP Server.
In summary, the TrustHost address can be set whenever the authentication is not needed.
8.2.5 Music ON Hold
The IP PBX will play music when a call is on hold due to the following situations;
(1)When the call is transferred to attendant and waiting for answer.
(2)When the call is hold and waiting for answer.
(3)When the call is transferred and waiting for answer.
You may choose one of the music files for MUSIC ON Hold. You can upload more music , But only One can Play , The size is unlimited. Propose < 200KB.
Music ON Hold requires a unique file format, and any MP3 files must be converted to .raw format before upload to
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