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New Member

ringing external ringer simultaneously w/ CME SCCP phones

I'm looking for a way to ring an external ringer simultaneously with multiple IP phones. Currently these phones configured with overlay of all instances of extension 9944. I don't think the customer would accept ringing the ringer and then CFNA to phones or any other linear/sequential setup.

As I see it using a hunt group will not help since they can only be sequential, peer, or longest-idle. My customer didn't accept any of these setups I've done for them so I resorted to overlaying multiple instances of the main number to the IP phones. This was acceptable but now the external ringer has been introduced to the equation.

I don't yet know if I'll be using an FXS card or an ATA for the ringer. Most likely it will be an FXS card though.

New Member

Re: ringing external ringer simultaneously w/ CME SCCP phones

We have have multiple sites with ATAs that interface to either a relay that triggers an existing bell or ringer or to a Wheelock ringer/strobe. These work pretty well and are are cheap and easy to install/setup. We have the ATA run off the 7940 switchport and then wired out to the ringer device.

New Member

Re: ringing external ringer simultaneously w/ CME SCCP phones

My overlays on my ATA are working fine...I guess I didn't expect the ATA to be able to overlay.

Not sure I understand where the 7940 comes into the equation in your comment. Of course IP phones can hand off network connectivity to PCs...are you saying you have a setup like:

switch --> 7940 --> ATA

with a working 7940 and a working ATA?

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