For two codecs to successfully communicate via SIP through a SIP server, information must be exchanged between the two devices. Codecs manufactured by members of the Audio-via-IP Experts Group are SIP ...

Recent developments in technology have rapidly changed the way companies are communicating to their employ-ees, customers and business partners. How can you tell? Try dialing an outside line beginning ...

How To Set Up Free SIP Calling On Any Device Your email has been sent Most people communicating on the internet are using SIP calling. Here’s how to make free SIP calls — and when you shouldn’t.