Tag : PABX
Home » Posts tagged PABX"
I have a problem for received calls form my Grandstream HT-503. I have a FXO connect to my PABX, and I can make a call from PABX to VOIP, but I didnt received calls to my VOIP, t..
The company that looks after my clients internal phone system has a problem with logging in to the PABX using their data modem.Connection looks like thisISDN PRA from telco -> Asterisk -> SIP Trunk to my clients Asterisk ->my clients Asterisk -> E1 p..