This is where you configure the analog FXO - FXS In this screen you can see the list of the active configuration and details by selecting them, then you can add and remove in memory until the desired configuration, for the changes to take effect you must use the Apply Config button, this should be done once you are sure that you have the desired configuration information. For the changes to take effect you must restart the system.
Check Channels: This button automatically creates the new configuration for telephony boards that were installed on the system; this gives us the available channels to configure. Note that you should not use this button unless it is absolutely necessary either a new installation or a hardware change.
Lists FXO and FXS: available channels are listed FXO (Connected against the PSTN), FXS (Connected to phones), you cannot mix different signaling channels.
Account: For reasons of saving in the CDR, usually carrier name.
Group: Group number.
Context: Grouping where direct call attempts made by the carrier, this depends on the set in the dialplan.
CallerID: CID number for the channel.
Lenguage: Language associated with the channel group audios.
Signalling: Signaling type desired for the analog configuration.
CID Signaling: CallerID signaling (ANI).
CID Start: Signals the start of sending the CallerID (ANI).
DTMF CID Level: Signal strength for DTMF detection.
Answer on polarity switch: Set if incoming lines have polarity.
Hungup on polarity switch: Set if outgoing lines have polarity.
Busy Detect: If no polarity must make cutting detect analog lines, you can also specify the busy pattern.