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SIP and Next Generation 9-1-1

In a recent post I wrote called Dial SIP in an Emergency , I talked about new I3 standards emerging from the National Emergency Number Association (NENA) which will change the way that we interact with emergency services personnel and which may offer...

Published 04-21-2011 10:37 AM by James Rafferty

Filed under: Gateways, SIP, Emergency Services, I3, ESInet, 9-1-1, NENA

Dial SIP in an Emergency

Several years ago, I read an excellent book on SIP entitled SIP Beyond VoIP . One of the things I liked about the book was that it wasn't simply talking about SIP for voice communications, but delved into a variety of different services which could...

Published 03-09-2011 9:30 AM by James Rafferty

Filed under: SIP, Voice over Internet Protocol, NG 9-1-1, Emergency Services

Carrier Voice Over IP Grows in Q4 2010

Infonetics Research recently announced the results of their market surveys in a press release entitled: 42% jump in session border controllers (SBCs) boosts 2010 carrier VoIP market. It's always interesting to hear how the Voice over IP market is...

Published 02-24-2011 4:15 PM by James Rafferty

Filed under: Gateways, SIP, Voice over IP, Dialogic, SBC, media server, Application Servers, Carrier VoIP, Infonetics Research, James Rafferty, Diane Myers

Gateway to the Cloud

Cloud Computing is a hot topic in the computer and the communications industry these days. At Dialogic, we’ve seen many application software vendors who want to take advantage of this trend and offer hosted telecommunications services that reside...

Published 02-09-2011 11:37 AM by James Rafferty

Filed under: VoIP, Gateways, IVR, SIP, Cloud Computing, Voice over IP, IMG 1010, contact centers, conferencing, voice services, Load Balancing, DNS Servers, Application Servers, DNS SRV Records

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

Fitting Legacy TDM PBXs into the SIP Trunking World

SIP Trunking has been a hot topic for a while now. Many of the analysts are predicting rapid growth over the next several years. I was recently at the VoiceCon event in Orlando and they had an entire panel discussion on SIP Trunking. In talking with people...

Published 05-20-2010 2:11 PM by Vince

Filed under: SIP Trunking, SIP, Border Element, SBC

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 James Rafferty

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 James Rafferty

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 James Rafferty

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 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

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 James Rafferty

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

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