Some ATAs don’t put out 48 volts. That could be a thing. From: Nate Burke Sent: Tuesday, November 7, 2017 3:13 PM To: [email protected] Subject: Re: [AFMUG] ATA CallerID question
Is there any chance it could be a polarity problem? If somewhere between the ATA and the PBX the 2 wires are reversed? On 11/7/2017 3:42 PM, Lewis Bergman wrote: I seem to remember it comes in between the first and second ring. On Tue, Nov 7, 2017 at 3:39 PM <[email protected]> wrote: Monitor the line for the data burst. It is the exact same modulation method as the emergency alert system you hear squawking on the TV before the beep and thunderstorm warning. I think it comes before the first ring or right after the first ring. Some of the original display units rectified and stored ring voltage for power so it may need the ring first to power the display box then the data. In any event, you can hear it if you have a butt sett with line monitor mode. Bell 202 is correct. -----Original Message----- From: Nate Burke Sent: Tuesday, November 7, 2017 1:58 PM To: Animal Farm Subject: [AFMUG] ATA CallerID question At a customer, I just hooked up a Cisco SPA122 into an Ancient Lucent PBX system. The customer says that caller ID is not coming through, but it used to work with his old AT&T Lines, and it appears to be hitting the ATA Properly. Is there a setting on the ATA that needs to be set that older systems may be looking for? The only settings I see for Caller ID in the ATA are Caller ID Method, currently set to 'Bellcore(N.Amer,China)' and Caller ID FSK Standard, set to 'Bell 202' I've never had to mess with those settings before. Nate
