Good day all I have a analog gsm router and a 4 port bri card:-) How do I get the gsm router to work with asterisk I tried adding a voicetronix card but the 2 cards doen not seem to work together,it gives a unresolved symbols error when starting up Any Ideas Please Can you add 2 zaptel device,different ones? Like the Junghannes and a diguim analog card? Please help and advice Thanks ALtus