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APBX IP2G4A User Manual
How often to refresh External Host if used.
NAT Mode
Global NAT settings (Affects all peers and users), is used when Asterisk is on a public IP, communicating with
devices hidden behind a NAT device (broadband router). If you have one-way audio problems, you usually have
problems with your NAT configuration or your firewall's support of SIP+RTP ports.
Local Network identification
You may add multiple local networks. A reasonable set of defaults are set here.
Allow RTP Reinvite
By default, Asterisk tries to re-invite the audio to an optimal path. If there's no reason for APBX to stay in the media
path, the media will be redirected. This does not really work with in the case where APBX is outside and have clients
on the inside of a NAT. In that case, you want to set this option to nonat
7. Audios
7.1 Music On Hold
Manage audio files for Music On Hold, the format should be .WAV and .GSM, the size should less than 4 MB.
7.2 Custom Prompts
Manage prompts used for Voice Menu. It can be recorded by extensions or uploaded from local PC.
7.3 Language Setting
Set the language of default system prompt audio, English is supported by default. French and Spanish need to be
download from Internet when chose at the first time. Make sure gateway is right set so that APBX can access Internet.
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