More on this problem from the CPE vendor:
The D channel will only come up under NI2/National when we set the T1 u as a CO line. However, we cannot dial ISDN into or out of the PBX. I understand the correct way is to program the T1 as a TIE trunk to get inward and outbound ISDN dialing to route...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.