I have found a SIP provider that i can use with voicent auto dialer, however while installing sip information, we recieved an error message SIP 488 error. The tech informed me it was due to a codec problem. The codecs … Continue reading →

STUN, Simple Traversal of UDP through NATs , is a protocol used to work around the problems caused by router/firewall for VOIP applications. It is also known as Session Traversal Utilities for NAT. The basic problem of a router/firewall for … Continue reading →

Starting from release 7.2.3, you can select which SIP codecs to use from a set of existing ones. The reason for that is some VOIP service or PBX system limit the size of SIP message. So if the SIP message … Continue reading →