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SS7 in an IP World

I'm getting ready to attend the International Telecoms Week (ITW) conference in Washington DC early next week. ITW is targeted toward service providers, so it should offer a good chance to take the pulse of the VoIP industry in the aftermath of last...

Published 05-21-2010 10:58 AM by James Rafferty

Filed under: Gateways, SIP, SIP-I, Sigtran M3UA, SS7, Wholesale VoIP, Border Element, SIP-T, retail VoIP

Adding Video to Voice: Crossing the Chasm

I just returned from a trip to visit several different countries while attending the IT Expo trade show and participating in a variety of internal meetings. In my travels, I found a lot of gathering interest in the question of how video can be added to...

Published 02-05-2010 2:40 PM by James Rafferty

Filed under: Video, Gateways, Voice over IP, SIP-I, IMG 1010, Vision CX, H.324M

Upcoming Webinar on Handling Sip Issues in IP Network Rollouts

As the Public Switched Telephone Network (PSTN) continues its migration toward IP, this creates both opportunities and challenges. In principle, the new models for building communication services which use SIP as the session protocol are a major step...

Published 10-29-2009 5:38 PM by James Rafferty

Filed under: VoIP, SIP Trunking, Transcoding, SIP, Multimedia Border Element, SIP Mediation, SIP-I, Border Element, SBC

Sipping at the Border

One of the rapidly expanding use cases in IP Communications is connecting the various islands of Voice over IP. At this point, the islands might consist of carriers, enterprises and various cloud-based enhanced services. Frequently, the glue which brings...

Published 08-20-2009 5:17 PM by James Rafferty

Filed under: Media Gateways, SIP, network edge, IMG, Multimedia Border Element, SIP Mediation, SIP-I, IMG 1010, Any to Any Signaling, Dialogic

The SIP Effect on Media Gateway Use Cases

Industry analysts tend to focus on the trunking gateway use cases when measuring activity in the Carrier VoIP marketplace. However, the imperative for operators today is to generate more revenues per subscriber and this drives the need to create additional...

Published 07-01-2009 11:23 AM by James Rafferty

Filed under: VoIP, Gateways, SIP, service provider, Voice over IP, IMG, SIP-I, IMG 1010, Any to Any Signaling, CAS, Sigtran M3UA, H.323, SS7, ISDN, Enhanced Services

SIP Mediation or SIP is a Many Splendored Thing

The Session Initiation Protocol (SIP) is becoming the lingua franca of the telecommunications world. It began as a simple peer-to-peer protocol, but has since gone in all kinds of directions and now forms the underpinning for the emerging next generation...

Published 05-26-2009 1:48 PM by James Rafferty

Filed under: Transcoding, SIP, SIP Mediation, SIP-I, IMG 1010, SIP-SS7 gateway

New Frontiers in VoIP to Mobile Network Connectivity – SIP to SIP-I

The Session Initiation Protocol (SIP) has been a major success story for the deployment of Voice over IP networks and related enhanced services. Until recently, there has not been much use of SIP in wireless networks, but this is starting to change. There...

Published 05-13-2009 3:07 PM by James Rafferty

Filed under: SIP, Voice over IP, Standards, Multimedia Border Element, Mobile IP, SIP Mediation, SIP-I, ISUP

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