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SIP Trunking and the Enterprise Network Edge

I have been a product manager in the enterprise media gateway space for a number of years. Over that time, enterprise media gateways have matured from simple toll bypass devices which enabled cheap long distance calling to elements which enable a wide...

Published 03-09-2010 1:21 PM by Vince

Filed under: SIP Trunking, SIP, network edge, SIP Mediation, SIP-SS7 gateway

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 jrafferty

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

VoIP is Alive and Well

In my last post , I talked about a planned speaking engagement at Internet Telephony Expo on the topic of "Is VoIP Dead? Where does it Stand?" The other panelists besides myself were Scott Navratil, VP of Sales and Marketing for Vitelity, a...

Published 09-24-2009 11:34 AM by jrafferty

Filed under: Video, VoIP, Media Gateways, SIP, Voice over IP, SS7, Internet Telephony Expo

Reliance on SIP Drives Need for Innovative Border Elements

Emerging SIP-based services offer enormous potential for service differentiation and revenue generation, but relying on SIP also presents significant challenges. Although carriers now use Session Border Controllers (SBCs) for signaling translation and...

Published 09-23-2009 3:05 PM by jrafferty

Filed under: SIP, Multimedia Border Element, SIP Mediation, Dialogic View, Border Element, white paper, 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 jrafferty

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 jrafferty

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 jrafferty

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 jrafferty

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

Old School Virtues for Voice over IP Gateways

I've been a product manager of Voice over IP gateway products for about nine years, but I continue to learn about customer needs and expectations. During the past 3 years, I've managed the Dialogic® IMG Integrated Media Gateway products and...

Published 02-20-2009 2:00 PM by jrafferty

Filed under: SIP, Voice over IP, network edge, Old School, High Availability, IMG, Redundancy

SIP Trunk Forecast Update – Yowser

I just refreshed some market research data from Frost and Sullivan on the outlook for SIP trunks in the coming years. The data is for North America only, but it confirms the opportunity for edge devices that enable the service will be quite significant...

Published 11-06-2008 10:34 AM by Bud Walder

Filed under: VoIP, SIP Trunking, Gateways, Media Gateways, SIP

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