I using as5300 connect with my Exs switch, the call is sending from the Exs to my as5300 and terminate by another as5300. However, the voice quality is very bad. I get a noise background sound and echo during making a call. I have upgraded the DSPM v...

Did anyone know which radius server (freeware) can support the voip cdr like (Vircom's VOP radius)?

I'm using Netspeak Gatekeeper, how can i add a cisco gateway to netspeak gatekeeper?

I want to know where to get a free ware and configuration detail for a radius server which can do a CDR for voip traffic.

I'm using a Unix syslog server to log my AS5300's voip traffic. However, I the log file is meaningless to me. The log information is like the example below:Jan 20 10:36:35.054 GMT: %ISDN-6-CONNECT: Interface Serial2:27 is now connected to unknown Jan...