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Polycom Firmware Matrix

I'll be upgrading a small herd of IP phones over the holiday break, which had me looking for new Polycom firmware. There once was a time when Polycom directed all end-users to obtain firmware from a reseller. These days the…

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My Approach To Mobile VoIP For Low Cost Overseas Calling

For the past three years I’ve used Stanacard as the basis for placing overseas calls from my cell phone.This has recently changed as I’ve leveraged our company’s OnSIP account to provide a similar capability to all of our US staff.

Stanacard describes themselves as a “next generation calling card service.” The service is simple enough. Like most calling card services they have a variety of US points-of-presence (POPs) with local numbers. You dial that number, then authenticate using a PIN to get at a second dial-tone, and finally dial the overseas number you want to reach.

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Soft Phones: An Opportunity For Someone

<RANT> Let’s face it, the soft phone segment of VoIP space is stagnant. There’s been little change in literally years. I’ve spent the past six months looking for a Windows soft phone that was G.722 capable. In the course of my search I’ve tried a number of soft phones. The list is getting lengthy:

Corey Andrews over at VoIP Supply also blogged a great summary of Free SIP Soft Phones a while back.. There are a couple on this list that look promising. I’m about to try both MizuPhone and Mirial.

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Polycom’s New SoundPoint IP450

It looks like our friends at Polycom have released a new phone, the SoundPoint IP450. This new model offers three line appearances and a new high-resolution, backlit gray-scale LCD. It also offers both wideband voice and the availability of the…

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How To Add a Cellular Trunk to Your VoIP System: Part 1

Originally published May 9, 2008 at www.smallnetbuilder.com

Our Asterisk based home/office phone system provides tremendous flexibility in handling our phone calls. It gave us the opportunity to migrate away from using analog phone lines from a traditional carrier. We now send and receive all calls via IP over our DSL. Of course, the monthly cost of our calling is a lot less. However, it’s not a prefect system – yet.

From the outset, we have worked to make the system more robust. This we have done in many ways, including providing various redundancies in hardware and configuration. Most recently, we have added a cellular trunk to ensure calling capability should our DSL service fail. The process involved in arriving at this decision has proven interesting.

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