Earlier today Michael White at E4 tweeted that he had just received his shipment of Gigaset SL78H handsets. The SL78H is the high-end handset that Gigaset is offering as an optional addition to the A580IP and S675IP basic SIP/DECT systems.…
Thilo Salmon, CEO of SIPGate, was our guest on the VUC call on June 4th. Until then I had only passing awareness of the company, primarily as a result of speaking with some associates in the UK and Germany who have used the service for years. I signed up for an account just to give it a whirl. Further, I was more than a little intrigued when Mr Salmon said that the service has some support for wideband calling using G.722.
Over at Nerd Vittles that Asterisk Guru Ward Mundy has posted a great how-to implementing ISN lookups with his popular PBX-In-A-Flash Asterisk distributions. It's a great overview of ISN and ITADs, including Freenum.org. ISNs are a novel approach to bridging…
| This article was originally posted in June 2009, before Gizmo5 was purchased by Google. |
Last week I suggested Skype as an easy way to get started with wideband VoIP. Michael Robertson’s Gizmo5 is a great alternative to Skype.
Whereas Skype is a relatively closed network using proprietary protocols and codecs, Gizmo5 is based on SIP, a global open standard. A Gizmo5 account can be used from the Gizmo5 soft phone client or any SIP compliant device. That means that the myriad of SIP phones (hardware & software varieties) can be used with Gizmo5.
Several people have asked about the physical size of the Gigaset DECT handsets compared to other gear. Then I remembered that Michael White of E4 posted a pic on TwitPic a while back. The pic originated in a Ustream feed.…
Steven Perich recently posted an excellent article on his blog entitled, "How to make your phone calls sound better!" It's a concise explanation of wideband telephony, described in very easy-to-understand terms for a non-technical audience. It's well written, amusing and…