Yes, I have my VOIPo provided ATA connected to my home network (in front of wireless router) and I'm also connecting my iOS device and Android devices to the same network via wifi. I made sure my iOS SIP softphone was not registered to the VOIPo network and then tried to register the Andrioid device using the Sipdriod app. With sipdriod, I can make outbound calls but it won't ring for inbound calls. I played around with all the configuration settings and I can't see that I've done anything incorrectly. Then, I tried using the CSipSimple app and I was able to make outbound calls, plus inbound calls successfully rang the Android device but voice quality on the inbound calls was really bad and those calls were usually dropped in short order.
Since my wife's Android phone is a T-Mobile device and the native "internet calling" feature in Gingerbread has been disabled, I wonder if this has any bearing on my ability to configure and operate 3rd party sip apps like Sipdroid or CSipSimple?
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