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VoIP over 3G - Is There a Map for That?

Posted by: David Hailey on Jan 29, 2010

Just recently, I wrote a blog about SIP clients for iPhone and provided my review of two client applications based on testing of their integration with Cisco CUCM.  If you've not yet read that blog, you can find it here:

SIP Endpoints in Cisco CUCM - Acrobits Softphone and WeePhone for iPhone

Well, one of the questions I received was about whether or not any of these iPhone applications work over 3G or will they ever work over 3G...and my initial thought was "yeah, but probably not anytime soon".  So, call it coincidence or just impeccable timing but today I happened to run across some interesting news articles.  Apparently, my expectation of "not anytime soon" translates to "today" at Apple as the title of this first link is pretty self-explanatory:

Apple Now Allowing iPhone Apps to Make VoIP Calls Over 3G Networks

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SIP Endpoints in Cisco CUCM - Acrobits Softphone and WeePhone for iPhone

Posted by: David Hailey on Jan 27, 2010

I guess I'll have to add another thought to my "What It's Like to Be a NetCraftsmen" series and that is that sometimes being a NetCraftsmen is funny.  At times, I feel like the UC team shares a collective brain because I had already sketched out a blog on how to use your iPhone as a 3rd-Party SIP device with CUCM and then I suddenly see that Bill Bell did the same thing (in the wee hours of the morning as I did) but instead he focused on a desktop client called X-Lite.  If you haven't seen Bill's blog, it's good as usual so make sure to check it out here:  SIP Endpoints in Cisco CUCM - X-Lite As an Example.  At first I thought, "Oh well, he beat me to that one" but then I realized that this was a good opportunity for cross-blog collaboration and to point out some key behavioral/configuration differences I've seen with the iPhone applications I've tested as compared to the X-Lite desktop application.  

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