[compaq360]

@Koila

I've had great success with these two product for my TP2 on Sprint: Portsip(free) AgePhone Mobile(US$30). The Portsip app is very easy to setup, has preconfiged settings for some sip providers and it supports your codec. I couldn't get it to work with my sip provider(onesuite) because the username was too long and it affected inbound calls, but I could make outbound with no issues.

AgePhone Mobile has more config options and setup it a bit more involved but performs very well. However, it may not support your codec - just check it out on trial mode. AgePhone works flawlessly on wifi and my friends could hardly tell the difference when I used Sprint 3G. I have since moved to a data only plan and combined with my corporate discount, my bill is around $40 plus taxes per month.

I am also using Google Voice and since my sip provider(OneSuite) has free incoming calls , I don't have to pay anything except $2.95 per month for the DID number,etc.

I am in VOIP HEAVEN!!!!