VoIP Mailing List Archives

[mdiehlenator at gmail.com]

Hi all,


I have a user with an old Mitel PBX connected to a couple of SPA112's.  The user is reporting that their phones ring several times a day and when they answer the "call," all they hear is dial tone or busy signal.


Their PBX guy says that the SPA112's aren't providing line supervision and the PBX requires it.


Does anyone know how to fix this?  I'd also like to fix it from a provisioning file, if possible.

Thank you!

Mike.

[EWieling at nyigc.com]

Most FXS ATAs do not support supervision so they don't work well when plugged into a PBX's analog FXO (aka CO) ports.

If the Mitel can provide supervision on analog phone ports (i.e. FSX) then you could use an ATA with FXO ports. If the Mitel does not support supervision on analog phone ports (FXS) this won't work either.

You could also avoid all the hassle, stress, and heartache from trying to stick ATAs on a non-VoIP PBX and replace the Mitel.

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Mike Diehl
Sent: Wednesday, May 07, 2014 4:54 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Ghost calls on PBX

Hi all,


I have a user with an old Mitel PBX connected to a couple of SPA112's. The user is reporting that their phones ring several times a day and when they answer the "call," all they hear is dial tone or busy signal.


Their PBX guy says that the SPA112's aren't providing line supervision and the PBX requires it.


Does anyone know how to fix this? I'd also like to fix it from a provisioning file, if possible.

Thank you!

Mike.

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