Today, as unified communications technology is crucial for success, businesses are moving from Public Switch Telephone Networks (PSTN), or Plain Old Telephone Service (POTS), to a more advanced system ...

Just what is SIP trunking? Let’s take it one part at a time. SIP refers to Session Initiation Protocol, the standard developed in the 1990s by the Internet Engineering Task Force that is used to set ...

The merits of SIP trunking have been talked about for years and now it looks like businesses are aggressively adopting the technology, lured by striking cost savings and the promise of new ...

The internet can seem like a dangerous place, with all manner of hazards waiting to disrupt your business. Newspapers regularly report on all kinds of online attacks: Hacking resulting in fraud or the ...

Yes, you heard correctly. You can replace your existing PBX system today with Microsoft’s Office Communications Server 2007 R2 platform. The trick is in using SIP Trunking, not existing old school ...

I’m trying to get info from a supplier and they are insistent that a trunk is a 1 to 1 with a call. Now I am 99.999% sure he's wrong, but before I tell him so I wanted to make sure someone who knows ...

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 ...

So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

TDM trunks have long served to connect corporate PBXs to the public switched telephone network (PSTN). But with more companies moving to VoIP, SIP trunking has become an increasingly popular ...