Is there a E61 Compatible SIP VoIP service that can call phones?

Truphone uses a different codec than standard (e.g. not 711 or 729) which results in low bandwith usage. I have free internet access in KLM lounges and regularly make calls on it to save international roaming. I'm rarely in a situation where I would pull out a laptop, a portable headset and do it over my laptop. With the E61, however, the only hassle is dealing with the web based logon to the net. Given the price of international roaming, it is worth it.

I have 3g access on my E61, but I don't have an all you can eat program. I'm glad to hear it works good on EDGE or do you really mean true GPRS.

The one beef I have with the E61 on VOIP is the fact that half the numbers in my phone book I have problems direct dialing because of spaces, dashes, or parrens. The E61 (with truphone or my own Asterisks server) hates a number like +44-207-XXX-XXXXX or 1 (212) 555 XXXX, it really wants all the numbers in your phone book styled like +12125551212 if you want the number to work with both your mobile and truphone.

ugochuik, did you know that you can also directly sip uri dial with truphone? For example, I call my work e-mail by entering the sip address in the phone book (e.g. [email protected].
 
i have been using truphone for about 2 months now very successfully. My gf has set up her hotmail windows live messenger with gtak2voip to receive sip calls for free but when i type her sip number z****@gtalk2voip.com i can never get a response. Has anyone else been testing this?
 
According to Sipbroker.com, that is an open gateway. Try dialing her phone number as *018XXXX where XXX is her gettalk2voip number. I direct sip dial all the time from truphone. You just enter the full sip addressin the internet phone address and away you go.

Sipbrokers is one the biggest advocates of ENUM and crossprovider voip-to-voip calling. They own gtalk2voip so I don't see how it wouldn't work.

One question. It was my understanding that this service is for Google Talk. You mentioned Windows Live Messenger. I'm a little confused.
 
thanks for the quick response, 4 am where i am now.
I came across g2talk via googling a way to call windows live messengers via sip.
I did the free sign up and have the service active for her live messenger and everything seems in order.
I tested calls both ways and i cannot reach her but when i try to call my sip from windows live it goes straight to my truphone voice mail so i guess thats something.
I have emailed truphone since night and have got a response that they are lookin into it. Swell guys those truphone ppl.
 
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