Troubleshooting Ringback Issues H323

Before we dive into troublehsooting let’s keep the following in mind when an ISDN call progress. If A is making a call to B so A is calling party and B is called party. The ISDN messages negotiated between the two would be as follows: A —-> Setup —-> B B —-> Call Proceeding —->Continue reading “Troubleshooting Ringback Issues H323”