Hello, we have some old devices that we would like to connect over IP network.We have tried using 2 SPA3102, and the connection was  successful(without using PBX software, just direct IP dialing) but,  these devices use some special frequency to cont...

Hello everyone, I am trying to connect 2 analog devices(not phones) using SPA3102.However the difference with normal analog phones is that when you connect a phone the SPA understands when you Off Hook it,these devices however when connected to Line1...