VOIP on Cellphone

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Given the difficulty of matching up my Bluetooth Streamer to a home phone, I thought I'd try an end-run.

I already use Gizmo Project voice over IP (VOIP), though not as extensively as I could be doing. It finally occurred to me that on my Qtek 9100 (which has both wifi and bluetooth) I might be able to run a VOIP softphone, which could then connect to my hearing aids via bluetooth and the Streamer. Essentially the Streamer acts as a BT headset, relaying the sound directly to my hearing aids.

Fail: First I looked to see if Gizmo had any client for Windows Mobile 5 phones. Nope!
Fail (but comes close!): Fring, which is promising. Loaded it on the Qtek, and it was pretty nice - it connected directly to my Gizmo account and loaded all my contacts automatically. But the fatal flaw is the lack of any number pad. See, the number I want to give out is from GrandCentral (GC). But when I receive a call via that number, GC expects me to press "1" to receive the call - this cannot be disabled. And Fring has no number pad at all. So, this was a failure - for now.
Fail: There were several reports in 2005 of a VOIP softphone from Sipquest. Well, the sipqest.com url now redirects to something called Firsthand. They have a VOIP client described here. But no way to buy or download it.
Fail: Over a year ago, several sites reported that MS might be making its own VOIP softphone. I can find no evidence of availability now (November 2007).
Fail: xten/x-lite is a common VOIP softphone. Doesn't run on Windows Mobile. I've seen references to a product called X-Pro for Pocketpc or Windows media, and some pirate downloads, but the one I tried was a dud on Vista, and I'm not willing to try any others. If it's not currently offered and/or supported, there is probably a reason!
Fail: I tried to install Express Talk, but got error: 'this is not a valid pocket pc application'.
Fail: CiceroPhone. Apparently only available to large customers. Maybe someone at one of the links here will have it.
Global IP Solutions REX. Global IP makes what many insiders consider the best codec for voice clarity. Sadly, they don't seem to offer product to individual consumers.
Fail: SJPhone. I tried the SJphone CE.cab for Pocket PC 2003SE, v.1.60.303c, 10.26.05 download. The interface was confusing - I couldn't seem to find a way to answer incoming calls (it did receive them). But most importantly, I could not find a way to get audio to/from a bluetooth headset.
Fail: Kapanga. I filled out the form, and received download instructions by email just moments later. I was able to reconfigure it to talk to the sipphone.com proxy. But I could not get it to receive calls. Also could not get audio in/out via BT headset.
Wating on info: Damaka Mobile. I used their contact form to ask when/if the mobile version of their product would be avbl for download. In the meantime, I tried the PC product - it installed fine on Vista. You need to sign up for a Damaka ID (free), but once that's done you can change the softphone to use another SIP proxy and login ID.
Wating on info: AGEphone. I tried downloading the WM5(QVGA) version. I have not yet been able to get a successful connection with it. I have emailed them with a question. I doubt that it will be able to route sound to Bluetooth.
Fail: Voipsurfer has a simple onscreen interface that I like. Too bad the website doesn't make clear that it is IAX only.
Fail: Speaq. Was easy to download and install. Conneced and made a call. But when I called it ... nothing. Also I could not get any sound at all from it.

Voip-info.org has a long list of softphones that I need to explore. Forums at Voxilla.com may also be helpful.

Gizmo Project helpfully documents the settings to be used with any other VOIP softphone:

Use SIP proxy: proxy01.sipphone.com port 5060
'Register with proxy', 'Proxy is strict outbound' and 'Unregister contact address only'.
STUN: stun01.sipphone.com port 3478
My SIP number: 1-747-037-8639
My SIP URI is probably sip:quicksolve@proxy01.sipphone.com

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