Thread: Video Calling
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mobiledivide is offline mobiledivide
2009-09-09 , 03:55
Posts: 751 | Thanked: 522 times | Joined on Mar 2007 @ East Gowanus
#20
Um AFAIK its the reverse, HSPA supports simultaneous data and voice and CDMA (EVDO) does not. 2G GSM phones using Edge or GPRS could not sustain voice and data simultaneously.


Originally Posted by viplob View Post
I have a tm506 hspa phone with T-mobile service. It doesn't support a voice call (using GSM) and data (HSPA) simultaneously. Whereas, using an EVDO phone I could have voice and data concurrently. Is this an inherent issue with HSPA in that it doesn't suport voice calls, therefore the GSM modem has to be switched, in forcing it to drop the data call?
 

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