If you're talking of E1 ISDN. Make sure to test the facility, I mean the transmission medium. To test, put a loopback from the farend and a test equipment from your end, there should be a signal and no alarm this means that ur tranmission medium ok. Now check ur ISDN configuration like HDB3(PCM...
A multimeter will do. By testing if the tip and ring is grounded, has foreign battery, short or open. A tone tracer is also ok if you're tracing wires.
We are also a call with 300 seats were using a traditional telecommunication wherein we used a an International Private leased line E1 and compressed it to 4XE1 and the quality is good. we tried using a VOIP running over the IP cloud the first few calls were good because of lesser bandwidth...
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.