SIP tag

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AT&T Grants Denies Us Mobile VoIP Freedom

The big news last week was how AT&T grants denies us mobile VoIP freedom. Just last week I wrote how AT&T had "granted" us mobile VoIP freedom by finally allowing SIP port 5060 on their 3G data network. I was... Full Story

Posted on October 12, 2009 9:37 AM

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AT&T Grants Us Mobile VoIP Freedom

On September 17th I wrote about how siphon, a SIP app for the iPhone was working over 3G for me in Los Angeles but not in Connecticut. Apparently, port 5060, the SIP port was blocked in Connecticut but not... Full Story

Posted on October 8, 2009 11:37 AM


Skype for Cisco Interoperable with Cisco Unified Communications 500 Series

Skype for SIP keeps adding more SIP-based IP-PBX solutions to their interoperability list. First they had Shoretel, then SIPfoundry's sipXecs and now today they announced that they are interoperable with Cisco Unified Communications 500 Series for Small Business."In today's tough... Full Story

Posted on September 23, 2009 10:08 AM

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Siphon SIP App for iPhone Works over AT&T's 3G network? Holy Toledo!

I tested Siphon, a SIP-based VoIP application for the iPhone, in California at ITEXPO. Interestingly, Siphon worked perfectly in California over AT&T's 3G data network. Yes, you read that right - VoIP over 3G! I couldn't contain my giddiness... Full Story

Posted on September 17, 2009 4:09 PM


ShoreTel Lands 1st 'Skype for SIP' interoperability

ShoreTel is the first company to land SIP interoperability with Skype for SIP - before Avaya, Cisco, Mitel, Nortel, or any Asterisk-based PBX. I can't help but find the irony in this news since ShoreTel did not support third-party SIP... Full Story

Posted on September 9, 2009 12:00 AM

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Ecessa Brings Affordable Internet & VoIP SIP Redundancy to Market

At ITEXPO Ecessa, a 40-year old company most haven't heard of, announced they teamed up with MyTELEPATH and NetSapiens to bring reliable SIP delivery over multiple broadband links to SMEs. I met with Ecessa to discuss the news and to find... Full Story

Posted on September 2, 2009 9:33 PM

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XCast Labs Cuts VoIP Bandwidth Requirements In Half

In the ITEXPO Press Room I just met with Cliff Rees, President & CEO of XCast Labs. They have some interesting VoIP technology, including a patent called  "direct RTP" which reduces VoIP bandwidth requirements in half. The example Cliff... Full Story

Posted on September 1, 2009 6:41 PM

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SIP Print SME VoIP Recording Appliance Launches

SIP Print is announcing today the general availability of a new, enterprise-class call recording platform for mid-market enterprises. The new SIP Print SME platform offers support for up to 200 seats per location, along with RAID hot-swappable drive bays, dual... Full Story

Posted on September 1, 2009 10:19 AM

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Vonage's Killer iPhone app

Last week I spoke with Vonage's Michael Tempora, Senior VP Product & Program Management about the launch of Vonage World and Visual Voicemail. The big news was "Vonage World" with unlimited calling across the world to over 60 countries, which covers... Full Story

Posted on August 31, 2009 11:57 AM

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SIP Print VoIP Appliance Review

Call recording on VoIP phone systems is critical because it can ensure good customer service, provide employee training, and offer liability protection. SIP Print offers a SIP-compliant VoIP recording appliance at a price point that is much lower than... Full Story

Posted on August 12, 2009 10:18 AM

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Google Voice + Gizmo5 = Free Inbound & Outbound Calls

Google Voice just added SIP connectivity through Gizmo5 which basically enables FREE inbound and outbound calling! With the Gizmo5-to-Google Voice connectivity not only can you can connect any SIP device (softphone, IP phone), but you can even use regular telephones... Full Story

Posted on July 27, 2009 12:33 PM

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flaphone, the Flash Web-based SIP-to-SIP & SIP-to-Skype VoIP App, Adds New Features

Flaphone has done some updates to their Flash-based VoIP application. Back in 2007 I broke the story about the first Adobe Flash-based SIP VoIP app called Flashphone, later renamed Flaphone. Flaphone is a web-based SIP softphone that uses ubiquitous... Full Story

Posted on June 18, 2009 10:17 AM

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50% of Mobile Voice Traffic Will Use End-to-End VoIP by 2019

Gartner, a respected research firm located just a stone's throw from TMC said today, "mobile VoIP poses a huge challenge for traditional mobile voice providers." You don't say? Hmm, I would have never guessed such a thing. Ok, other than... Full Story

Posted on May 5, 2009 10:35 AM

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Using monit Tool to Monitor Asterisk

Your IP-PBX is one of the most critical pieces of corporate infrastructure. It cannot afford any downtime, which is why the fives 9's (99.999%) of reliability was coined. While Asterisk is a pretty stable open source IP-PBX platform, it... Full Story

Posted on April 17, 2009 11:14 AM

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Finally! New Windows Mobile App AudioRoute Enables Earpiece for VoIP Apps

Finally a software tool called AudioRoute that can be used to route Windows Mobile audio from the earpiece speaker to the backspeaker and vice-versa. This is especially needed for VoIP applications on Windows Mobile phones.I've tested several VoIP apps... Full Story

Posted on March 26, 2009 12:16 PM


Michael Robertson Responds to OpenSky vs. SkypeforSIP article

I would be remiss if I did not point out that Gizmo5's CEO Michael Robertson responded to me regarding yesterday's OpenSky vs. SkypeforSIP article. I had tried to reach Michael before the article went live but was not able to... Full Story

Posted on March 25, 2009 11:11 AM

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OpenSky vs. SkypeforSIP - It's On Baby!

It's on! It's Gizmo5's OpenSky vs. Skype. Michael Robertson, the CEO of Gizmo5 has a post up where he compares Gizmo5's OpenSky to Skype's SkypeforSIP. It's interesting how Michael talks about open standards, mentioning .mp3, a standard which Michael was... Full Story

Posted on March 24, 2009 1:57 PM


Skype For SIP Marries Skype and IP-PBXs

Today, Skype announced it is enabling SIP-based IP-PBX to connect to the Skype network, which will allow low-cost SkypeOut calling, receiving calls from Skype users, and receiving calls from regular PSTN phone lines. Outbound calls from IP-PBX SIP handsets to... Full Story

Posted on March 23, 2009 9:50 AM


Microsoft OCS 2010 Will Finally Eliminate the PBX

Well, Microsoft has let the cat out of the bag and leaked word that Microsoft OCS 2010 will "remove the need for PBX equipment within your organization". I'm certainly not surprised. Let's flash back to last year where I wrote... Full Story

Posted on March 16, 2009 10:35 AM

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Polycom VVX 1500 Media Phone Game Changer?

Today, Polycom has launched the Polycom VVX 1500 touch-screen business media phone, a new VoIP phone that combines IP telephony with business-class video and the ability to integrate with business applications. Recently, Verizon make a big splash with their consumer-class... Full Story

Posted on March 9, 2009 8:30 AM

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SmartSIP Launches for OCS 2007 R2 Enabling Any SIP Phone & Any SIP Trunking Service Provider

OCS 2007 R2 won't replace your PBX just yet. However, their latest R2 version adds the ability to do direct SIP trunking, thus bypassing the need for an IP-PBX. One drawback however is that Microsoft only supports direct SIP... Full Story

Posted on March 4, 2009 5:23 PM

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EZCallerID.com Hosted CNAM for Enhanced Caller-ID on any IP-PBX Launches

EZ Call, Inc. today announced the launch of EZCallerID.com, a new service that provides enhanced Caller ID, also known as CNAM, for VoIP calls. The hosted CNAM service gives you not just the phone number, but the name of the... Full Story

Posted on February 25, 2009 3:38 PM

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flaphone Enables Free Web-based SIP-to-Skype calls

Today, flaphone (formerly Flashphone) announced that users of their Flash VoIP application can now make a call from flaphone to skype. You simply need to enter sip:skype_username@skype after selecting "none"(global)" for the SIP account. I should mention that flaphone... Full Story

Posted on February 20, 2009 9:40 AM


Build your own SIP-to-Skype gateway using Asterisk

While we wait for Digium's official SIP-to-Skype gateway, Nerd Vittles today informed me about his very cool recipe that you can use today to build your own free SIP-to-Skype gateway enabling you to use your SIP-based desktop phones connected to... Full Story

Posted on February 17, 2009 10:30 AM

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OpenSky enables SIP-to-Skype Calls

Michael Robertson, CEO of Gizmo5 has done it again! He has launched a cool new service called OpenSky http://gizmo5.com/opensky, a service that enables SIP-to-Skype calling. It's not the first time someone has broken the Great Wall of Skype to... Full Story

Posted on February 10, 2009 9:23 AM

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