Usually that means your ATA is not configured properly. With the correct dial plan settings, call setup time should be comparable to the PSTN. I have many oth

Usually that means your ATA is not configured properly. With the correct dial plan settings, call setup time should be comparable to the PSTN. I have many other complaints with SIP, mostly related to the assumption by many clients that there is never any packet loss during call setup, but call setup time is not one.