VOIP and data only

This is a discussion on VOIP and data only within the Nexus One forums, part of the Google Phones category; I am interested in the Nexus One particularly for VOIP on a data only plan. I'm planning on using this with Asterisk which I have ...

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Thread: VOIP and data only

  1. #1
    Junior Member ccoager's Avatar
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    VOIP and data only

    I am interested in the Nexus One particularly for VOIP on a data only plan. I'm planning on using this with Asterisk which I have experience with so I know a bit about voip, codecs and such. I have read some mixed results on Nexus One VOIP over 3g. Is the issue poor latency on 3g? Is it because G.711 is too much bandwidth for 3g? Would a codec like G.729 or GSM work well? Is the VOIP carrier the issue? Is it a hardware/software issue with the phone? Would qos/dscp resolve the issue? Is the issue the sip/iax application?

    Looking for some feedback, thanks!

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  3. #2
    Senior Member davidalow44's Avatar
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    I don't think the issues of VOIP over cellular towers on N1 have been rigorously characterized. Mostly anecdotal, e.g:

    I have tried using Sipdroid (G711 - this software does not incorporate G729) through SipGate over AT&T 2G and it was dismal. High percentage of dropped packets. Over WiFi this combination worked satisfactorily.

    Skype (G729, I believe) will allegedly be releasing a mobile version for Android soon, and the fact that they are touting a partnership with Verizon seems a good sign.

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