PORTLAND, Ore.--(BUSINESS WIRE)--Integra Telecom, a telecommunications provider for businesses, now offers SIP Solutions, a robust portfolio of IP-based services that greatly expands Integra’s voice ...

The 18th Internet Telephony Conference & Expo (ITEXPO) came to Los Angeles last week, and being the opportunistic sort, I decided to get myself on the press list. That's one of the advantages of ...

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...

For those with lots of distributed PBXs or key systems, adopting SIP trunking means deploying SIP-to-PRI gateways or managing large numbers of new trunks. New offerings based on session management can ...

The switch can have substantial up-front costs, but it can also provide savings of up to 50 percent on telecommunications costs The merits of SIP trunking have been talked about for years and now it ...