Whether you are working with Avaya, Cisco, Microsoft, or BroadSoft, you will encounter proxies, registrars, and back-to-back user agents. Enterprise Connect is a just a month away, and I am in the ...
The problem is that RFC 3261 that defines SIP has become "everything to everyone" and bloated in both size and in flexibility. For those of you that have deployed SIP-based solutions or SIP Trunking, ...
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