We are using a SPA122 ATA in the lobby of a police station for people to pick up the phone and it automatically dials the 911 dispatcher.  We are using the following dial string: SO<:5200> This works fine, but the ATA does not keep this string when i...

I have a customer we just installed an IAD2432FSX to connect their PBX to the T1 port and they say they are not receiving the name with caller id.  They say it worked with their previous providor  I see the name and number in the debug isdn q931.The ...

I am playing around with a UC540 to get some familiarity with and I pluged in two SPA540Gs connected.  After I was done testing, I could not figure out what password was given to the phones so I could factory reset them. I looked through the configur...

We have a customer with a very old Merlin SX200 PBX that is connecting to the T1 port of our IAD2432.  After a lot of experimentation and constulting other teams in my company,  I was able to get this setup so they could send and receive calls, but a...

I am trying to hook up a SF300 switch to a cable modem and then plug some phones into the switch that are configured with static IPs.  I am able to access the switch without an issue, but need it to pass traffic from the phones to the network and it ...