SIP, Windows Mobile & Freecall

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Antzzz

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#12943 14-Apr-2007 23:30

After reading this blog entry:

http://www.geekzone.co.nz/tonyhughes/2114

I got all inspired about the idea of running a SIP client on my shiny new Windows Mobile 5 device (HTC P3600).

So found this:

http://www.sjlabs.com/sjp.html

And installed the WM5 beta on the phone.

Signed up for a freecall account and then loaded the free call SIP proxy info into SJPhone:

Proxy domain: sip.voiparound.com : 5060
User domain: sip.voiparound.com
STUN server address (not sure if this is needed):stun.voiparound.com : 5060

Tested it by calling home and voila - it works! Appalling latency though - pretty much along the lines of what others have reported, around 0.5 - 1s or so.

A few issues - SJPhone routes the audio thru the external speaker, not the phone speaker so it is like using a speaker phone. I believe this is a WM5/HTC problem...

Also the Freecall service is not as free as it sounds - according to their FAQ you need credit on your account to use the 300mins/month. It works without credit (as I and others have found) but you'll be disconnected after some random period, and a google search suggests that it will stop working entirely after some period - 90mins usage suggested here:

http://forums.whirlpool.net.au/forum-replies-archive.cfm/588666.html

Anyway, hope this info is of use to some people!

richms

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#67126 14-Apr-2007 23:47

Voipbuster etc (all the same company, just different sites) have appauling latency back to nz regardless of your connection. voipjet was much better when I used it, and had the benifit of passing caller ID, (any caller ID) but I have being advised that they have fixed that feature.

Try a local sip service before writing it off as unusable because of the latency.

Richard rich.ms

Antzzz

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#67128 15-Apr-2007 00:03

Yep, I gather than Freecall is just 1 of a number of names for services run by a crowd called 'Betamax'!

Not writing it off just yet - this was more a proof-of-concept exercise for me personally, thought I'd post it here in case others were thinking about the same thing! Haven't yet got a really good reason to sign up with a local SIP provider as I make sod-all toll calls, however come unbundling that is likely to change...

Also with luck WM6 will be released for my HTC device, WM6 has much improved support for VOIP/SIP.

sbiddle

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#67134 15-Apr-2007 08:54

If you're after a provider for occasional use I'd recommend MyNetFone who have a plan with $0 monthly fee and then 5c per minute for calls anywhere in NZ. You won't suffer any of the usual problems that you get with "free" providers and companies with SIP gateways on the other side of the world.

I believe the NZ MyNetFone operation is still using their Australian proxy server so it is still international traffic. If you make calls outside NZ (ie to Australia) you could always sign up for an Australian MyNetFone account and pay similair rates for NZ calls but only pay A12.5c flat rate for a call anywhere in Australia.

freitasm

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#67139 15-Apr-2007 09:31

Some things to consider:

- How are you connecting to SIP? Over 3G or WiFi? The 3G latency is too high for a decent VoIP solution. It may be better with HSDPA, but not much for this kind of use.

- VoIP support on Windows Mobile 6 is not SIP per se. It's a set of tools for better integration with Live Communications Server, etc. Also some stuff is in the OS, but it relies on the mobile operator enabling it - something I doubt any operator will do, otherwise it would kill the voice market and increae data usage.

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Antzzz

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#67162 15-Apr-2007 17:07

freitasm: Some things to consider:

- How are you connecting to SIP? Over 3G or WiFi? The 3G latency is too high for a decent VoIP solution. It may be better with HSDPA, but not much for this kind of use.

- VoIP support on Windows Mobile 6 is not SIP per se. It's a set of tools for better integration with Live Communications Server, etc. Also some stuff is in the OS, but it relies on the mobile operator enabling it - something I doubt any operator will do, otherwise it would kill the voice market and increae data usage.

Connection was via WIFI - yup, I know that the 3G latency is too high for this kind of thing. The device I have is HSDPA capable though.

WM6 - I realise that there is no SIP client built in per se, more that it was designed with this kind of thing in mind and should hopefully get rid of silly issues like the audio coming out thru the device speaker rather than the phone speaker!

BTW thanks for the link in your blog to the WM6 product reference guide - is very interesting reading, especially the usage scenarios in which the same phone UI could be used for both SIP and cellular network calls...

And thanks to whoever fixed the hyperlinks in my post...

richms

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#67175 15-Apr-2007 23:16

italk over 3g with the softphone was ok when I tried it with an old 3g card I was given, no good when playing shoutcast at the same time however ;)

Richard rich.ms

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inquisitor

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#68394 25-Apr-2007 07:30

@Antzzz

HTC recently announced, that they will soon provide a free WM6 update for a couple of newer devices, like your P3600 (codename: Trinity), which will bring integrated SIP/VoIP-functionality to your device.

You'll find a guide on how to configure WM6 for your sip provider at http://forum.xda-developers.com/showthread.php?t=299950

For further informaiton see the xda-developers forums at http://forum.xda-developers.com/forumdisplay.php?f=311

router: AVM Fritz!Box Fon 7390 with Huawei K3765 USB modem attached as GSM voice gateway
VoIP-providers: intervoip.com | sipgate.de (German DID) | sipgate.co.uk (British DID) | sipcall.ch (Swiss DID)
connection: 100/5 MBit/s (DOCSIS 3.0)
mobile devices: Huawei P6 | Nokia Lumia 630 Dual SIM | Huawei: E5832, E1762, K3715, K3765 | Qualcomm Gobi 2000 in Sony VAIO VPC-Z12X9E/X

freitasm

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#68404 25-Apr-2007 09:36

While Windows Mobile 6 supports some SIP integration and you are even able to dial SIP phones directly from the keypad (on Windows Mobile 6 Professional [Pocket PC Phone Edition]), remember that's up to the OEM to actually enable the feature.

So, it's all possible that HTC could distribute Windows Mobile 6 without the SIP integration. I actually seem this happening before.

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Antzzz

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#68459 25-Apr-2007 19:08

inquisitor: @Antzzz

HTC recently announced, that they will soon provide a free WM6 update for a couple of newer devices, like your P3600 (codename: Trinity), which will bring integrated SIP/VoIP-functionality to your device.

You'll find a guide on how to configure WM6 for your sip provider at http://forum.xda-developers.com/showthread.php?t=299950

For further informaiton see the xda-developers forums at http://forum.xda-developers.com/forumdisplay.php?f=311

As per my comment in that blog entry HTC have announced WM6 upgrades for most of their range - but not the P3600! Grrr... Guess they may offer it at a later date, but it seems that the current upgrades are directed at what they call 'Messaging' products, which seems to be things with a slide-out keypad.

The XDA developers users are predictably up in arms about this:

http://forum.xda-developers.com/showthread.php?t=303278

BugMeNot

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#68648 27-Apr-2007 12:32

Voip SIP Configuration loader utility for Windows Mobile 6.0 works like a charm. You just need to enter the the SIP server name, port, username and password and it will load the settings for you.