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What is the voice calling capability found in Gmail (on the desktop) called officially? I've been trying to search for solutions for this, but I don't even know what to call it- Google has SO many voice services now (chat, talk, voice, etc) that all sound like the same thing, yet aren't!
Here's what I'm looking to do:
I used the phone call function in Gmail to call abroad a few weeks ago via my laptop. I put about $10 into my balance there because it was cheaper per minute to call outside the US than Skype was. Worked perfectly.
Now, I'm trying to see if I can replace my netbook with a Tablet, so I'm trying to make those same calls from Android. I'll be honest, I'm wishing I had picked Skype to put the $10 credit on! Skype seems pretty straight forward- install it on the android device, make calls. But I've already spent the $10 on Google, so I'd like to find a way to make this work!
I tried going to Gmail from the browser and seeing if there was a link to install an app or something to make calls (like there is on the desktop side of things), but there is nothing there (ok, I didn't really expect it to work like that, but worth a try).
Is this part of a google chat application or something? Or is there no way to use that calling credit on an Android device??
I don't know for sure, but here are two options:
* Change the user agent in your Android browser to "Desktop" and use that interface. Though I am not sure if there will be issues with that.
* Use Google Voice. Which I am pretty sure is part of the same service they are using for Gmail calling. I use this for everything so I can read and send texts from my computer.
Tubes6al4v said:
I don't know for sure, but here are two options:
* Change the user agent in your Android browser to "Desktop" and use that interface. Though I am not sure if there will be issues with that.
* Use Google Voice. Which I am pretty sure is part of the same service they are using for Gmail calling. I use this for everything so I can read and send texts from my computer.
Click to expand...
Click to collapse
So, I tried the first one, but it requires a browser plugin to work (which is windows/mac only, so I can't get past that point).
Google Voice sounds like it could be it... but as far as I know, GV on Android doesn't actually let you place calls over IP yet, does it?
I thought it requires you to have a phone number it can call and then connect you via regular cellular minutes to the other party?
The device I'm using for this is a Tablet PC, so there isn't even a cellular radio or phone call system present. I'm trying to determine if I can replace a netbook for all the functions I use it for. This is something I know I can do on the netbook over wifi using the dialer in gmail, so I'd like to know I can do it on the Tablet as well. Does GVoice do that?
It's a paid app, but download GrooVe IP. It's the same thing that you did on your laptop, but with Android.
It is a third party app. But you get free, reliable calling anywhere in the US and get to use Google Voice's cheap international calling plans. [Edit: Over wifi, of course]
Dishe said:
So, I tried the first one, but it requires a browser plugin to work (which is windows/mac only, so I can't get past that point).
Google Voice sounds like it could be it... but as far as I know, GV on Android doesn't actually let you place calls over IP yet, does it?
I thought it requires you to have a phone number it can call and then connect you via regular cellular minutes to the other party?
The device I'm using for this is a Tablet PC, so there isn't even a cellular radio or phone call system present. I'm trying to determine if I can replace a netbook for all the functions I use it for. This is something I know I can do on the netbook over wifi using the dialer in gmail, so I'd like to know I can do it on the Tablet as well. Does GVoice do that?
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Click to collapse
the new google talk for android 2.3.4 allows for vid chat (so probably just voice as well), over wifi or 3g. there are ways to get it on 2.3.3 devices, for some devices, maybe not all, don't know. but, i chatted with my buddy from my phone to his pc, so it's definitely a voip service
im doing google voice from my gingerbread phone (EVO 4G) as my primary line... i dont pay a monthly cell phone service... i get picture mail, txt messages, internet, and unlimited cell service.
Pbxes+Google Voice= Unlimited
I have no delay on my phone, it sounds better than sprint when i had it...
the only catch is; u have to have Wifi around... basically everywhere i go its wifi avaliable....
jojo757 said:
im doing google voice from my gingerbread phone (EVO 4G) as my primary line... i dont pay a monthly cell phone service... i get picture mail, txt messages, internet, and unlimited cell service.
Pbxes+Google Voice= Unlimited
I have no delay on my phone, it sounds better than sprint when i had it...
the only catch is; u have to have Wifi around... basically everywhere i go its wifi avaliable....
Click to expand...
Click to collapse
Is this only Google Voice for Gingerbread that supports that? Or is this a new feature in GV in general? Last I checked they didn't support it...
+1 for GrooveIP. Its much easier than the alternatives imo.
WiredPirate said:
+1 for GrooveIP. Its much easier than the alternatives imo.
Click to expand...
Click to collapse
But if Google Voice has a native app that does this for free, I'm totally game! Nice to know there are choices, tho!
Dishe said:
But if Google Voice has a native app that does this for free, I'm totally game! Nice to know there are choices, tho!
Click to expand...
Click to collapse
No, Google Voice does not do what GrooveIP does. When you have no cell coverage or lose cell coverage GV will drop your call or not place it, defeating the point. Even though you are on wifi you cannot place a call with GV w/o cell coverage. With GrooveIP you dont have to have cell coverage, you dont even need a sim.
I'm trying out this Groove IP right now. I must say I'm impressed by the call quality and the seemless functionality of the program. Not a huge fan of the constant notification, but I can live with it. OP it sounds like you should use this program, it's 3.99 in the market but boy is it worth it!
jojo757 said:
im doing google voice from my gingerbread phone (EVO 4G) as my primary line... i dont pay a monthly cell phone service... i get picture mail, txt messages, internet, and unlimited cell service.
Pbxes+Google Voice= Unlimited
I have no delay on my phone, it sounds better than sprint when i had it...
the only catch is; u have to have Wifi around... basically everywhere i go its wifi avaliable....
Click to expand...
Click to collapse
I setup pbxes + google voice and it seems to work most of the time. I'm interested to know how you are getting picture mail though - I thought googlevoice only supported txt messages.
k4p741nkrunch said:
I'm trying out this Groove IP right now. I must say I'm impressed by the call quality and the seemless functionality of the program. Not a huge fan of the constant notification, but I can live with it. OP it sounds like you should use this program, it's 3.99 in the market but boy is it worth it!
Click to expand...
Click to collapse
You can turn off the notification in the settings :]
And OP, Android 2.3+ has built in support for SIP addresses. You register with a provider online, and they'll route your calls. It's a bit more complicated to set up, and typically costs (But sites like PBXes will give them out for free if you use them at least once a month). You typically get a US number and can set that up with Google Voice. Apps like csipsimple and sipdroid are alternatives for supporting SIP if you don't have Android 2.3+
I suggested GrooVe IP because it's a 1 step setup (Login with your Google account and you're done), and is identical quality to the calling through Gmail because there's no middleman. It's certainly possible to set it up for free using SIP instead, and there are some great guides on google.
I am getting picture mail because: I had a Google voice number before I got me Sprint number. Then I migrated my Sprint # to my Google voice acct.
Since then my Sprint service was disconnected because I recently lost my job, so I decided since I was out of contract anyway i'll say forget Sprint and use my Google voice acct. But back to how I got picture mail, when they disconnected my Sprint acct they didn't disconnect the Sprint number because it migrated over to my Google voice.
So when I call my Sprint number it forwards it to my GV number... But to get picture mail (keep in mind my Sprint acct has been disconnected for like a month) u have to have mobile network always on, and have wifi connected at the same time, if someone sends me a picture mail it'll come thru but I can't download the picture (not by Sprint network), but since I have wifi on it'll download the picture for me (Sprint can't officially cancel the number because u migrated over to GV, so now its your number for good. The only catch u can't respond to the picture mail and u can only respond thru the Google voice app.
Back in April sipdroid gave people a way to merge pbxes & Google voice... So since I upgraded to gingerbread, I no longer use sipdroid and I use the built-in internet call feature in gingerbread...
So I have service like everyone else with no problem, just no 3g or 4G service, all wifi on my phone.... Plus I can use my Bluetooth with my phone with no problem...
Hopefully talk understood that, if not PM me and i'll try to break it down...
Sent From Evo
Required :
1. The phone of course (Samsung Droid Charge), other Android and iPhone working too.
2. Wifi Hotspot.
3. An active phone number on other phone (CDMA or GSM).
4. LINE from NAVER or VIBER from Viber Media, Inc (Download from market) and many other app available.
Let's begin :
1. Connect ur Droid to WIFI hotspot, download the app (LINE/VIBER) if you don't have it yet.
2. Run the app and register with an active phone number. The app will send SMS with a code to the registered phone number that app needed.
3. Complete the registration.
4. Add the phone number u need to call to ur Droid contact.
5. Enjoy ur call with the app.
NB:Calling/messaging function only work to the relevant app registered users. Most app only work for Android and iPhone and a few including Blackberry.
How is this different than Google voice?
Sent from my SCH-I510 using Tapatalk
adrialk said:
How is this different than Google voice?
Sent from my SCH-I510 using Tapatalk
Click to expand...
Click to collapse
Google Voice doesn't make VOIP calls, it requires an actual number to connect to. However, you could get a plan that allows you to make calls to specified numbers without using minutes, then set your GV # as one of them, and make all the calls you want without using minutes.
GVoice makes VOIP calls. I measured the bandwidth at the router when I was on WIFI. I also set up a phone with no service with a different phone number. I also tested GVoice on WIFI by changing throughput and testing jitter and the effect on the VOIP calls.
I used Groove, I didn't try the calls with another method, although a Gchat session should work the same.
Sent from my SCH-I510 using XDA App
adrialk said:
How is this different than Google voice?
Sent from my SCH-I510 using Tapatalk
Click to expand...
Click to collapse
I'm talking about free calls and available for all country. Does Google voice free and available for all country? I don''t think so....
Chien35 said:
I'm talking about free calls and available for all country. Does Google voice free and available for all country? I don''t think so....
Click to expand...
Click to collapse
Thanks for the post, I didn't actually catch that. I was just stating that GVoice does indeed use VOIP if it is set up to do so. I believe GVoice allows for free calls to US and Canada, as well as free calls from another country into the US and Canada.
Your solution is pretty awesome if you need that service. I would like to see an analysis of codec quality, delay, bandwidth usage, jitter, etc to see how it compares to GVoice. Google keeps saying that free GVoice calls will expire, but so far its been renewed. It will be nice to have an alternative, particularly a good, free alternative.
Have you tried your method with success? How is the subjective call quality and call drop rate, etc?
Thanks for the info
xdadevnube said:
Thanks for the post, I didn't actually catch that. I was just stating that GVoice does indeed use VOIP if it is set up to do so. I believe GVoice allows for free calls to US and Canada, as well as free calls from another country into the US and Canada.
Your solution is pretty awesome if you need that service. I would like to see an analysis of codec quality, delay, bandwidth usage, jitter, etc to see how it compares to GVoice. Google keeps saying that free GVoice calls will expire, but so far its been renewed. It will be nice to have an alternative, particularly a good, free alternative.
Have you tried your method with success? How is the subjective call quality and call drop rate, etc?
Thanks for the info
Click to expand...
Click to collapse
U need high speed connection/WIFI to get better call quality.
I have used these apps and prove it work succesfully. The only issue is the call have a delay about 1 sec, so u need to be patient to wait the answere after u speak coz ur voice will be heard after the delay.
Viber will only allow free calls to other Viber users, unless they changed that at some point. And GV must have changed then if you can make calls with it VOIP style with no cell service and only wifi, as it was only a call forwarding service before, meaning you still needed to have the ability to make calls through the phone.
imnuts said:
Viber will only allow free calls to other Viber users, unless they changed that at some point. And GV must have changed then if you can make calls with it VOIP style with no cell service and only wifi, as it was only a call forwarding service before, meaning you still needed to have the ability to make calls through the phone.
Click to expand...
Click to collapse
I know you can use the web version of Google Talk as an endpoint for outgoing calls now. I haven't messed with any versions on device though (and if it works, we'd still probably have the audio issue on the Charge).
I used Google voice in Puerto Rico to place free calls over wifi. You can't be in airplane mode because it uses the normal dialer, but it does not use any cellular airtime to place the call.
Google voice integrates well with the android OS. My gf uses it to stay under her 450min plan.
Sent from my SCH-I510 using Tapatalk
I use it that way on my device, but it does use airtime.
imnuts said:
Viber will only allow free calls to other Viber users, unless they changed that at some point. And GV must have changed then if you can make calls with it VOIP style with no cell service and only wifi, as it was only a call forwarding service before, meaning you still needed to have the ability to make calls through the phone.
Click to expand...
Click to collapse
Yeah, I can only speak regarding usage of GVoice with GrooveIP. Otherwise a phone call would have to be initiated in Google Chat. Without Groove, you probably won't know you have an incoming call, at least not in time to answer it.
My buddy uses Groove all the time on his WiFi with excellent results- it works okay on 3G in good coverage and it works excellently on 4G. I have enough minutes and crappy coverage so I generally don't use Groove a whole lot, but it sure is cool to be able to send/receive calls anytime to your GVoice number. I also set up the Google Voice app on the phone alongside Groove (I configured Google Voice app somehow not to notify/bother me). Groove does the phone calls and Google Voice app does the text. This way you can send/receive calls and texts for free without delays. It works brilliantly, and its nice to forward Verizon's voice mail to GVoice, then configure GVoice to forward an email for each text, voicemail, and missed call you get.
If I had better coverage, I would only use GVoice. There is a bit more delay with GVoice than a 1X call, I would say, but not bad.
Is it verified that Viber only works to other Viber callers?
I'm a little cynical that somehow the carriers will try to crack down on Google Voice users or that Google will at some point stop free calling.
xdadevnube said:
Is it verified that Viber only works to other Viber callers?
I'm a little cynical that somehow the carriers will try to crack down on Google Voice users or that Google will at some point stop free calling.
Click to expand...
Click to collapse
It works to call anyone, but it is only free calling if the other user is also a Viber user. They may have changed it since I last looked though, but probably not.
shrike1978 said:
I use it that way on my device, but it does use airtime.
Click to expand...
Click to collapse
Which one u used? My method or Google voice?
I recently bought a tablet and I want to be able to place calls through my phone by dialing on my tablet. I can access the dialer by creating a shortcut to the activity using ADW, but it says voice calling is not supported. I know cars can place calls remotely using their voice recognition, so it is definitely possible on the phone's end. Does anyone here know if there is a way to remotely trigger a phone call?
Good question, I have not seen away yet. I do know you can send text and check you Google voice mail through Google Voice...
Try Tablet Talk. https://play.google.com/store/apps/details?id=com.apdroid.tabtalk
Sent from my GT-P3113 using xda premium
I've been a Tablet Talk fan but it requires that you be on same WiFi SSID or Bluetooth. The bluetooth is very portable, needs no data connection.
Talkatone https://play.google.com/store/search?q=talkatonetakes about 10 minutes to setup and works beautifully.
Cloud SMS is new and works wonderfully for text https://play.google.com/store/apps/...51bGwsMSwyLDEsImNvbS5iZWNoYXJkLmNsb3Vkc21zIl0. http://forum.xda-developers.com/showthread.php?t=1951631 I think with your phone on and connected to internet via DATA or WiFi, you can text with the tablet anywhere you can get an internet connection.
If you want to do some work and use true SIP dialing, I use this:
[Mod] Make/Receive Free Phone Calls! {V3} [Now Easier!] http://forum.xda-developers.com/showthread.php?t=1823701
I am a customer of them, for my home phone, and I just found out they make an app. Not only for the android, but for ipad to as well.
Bit pricy, but I am already registerd with them for a two year contract for only $20.00..., all it offers is a either a "free" phone number or I can use the one I have setup for my home phone.
If this is not for you you can search for VOIP in the app market.
MagicJack App
This idea was great, thanks for the thought...!!!
Sincerely,
MagicJack Customer
Anyone else seen this yet... simonics.com/gvgw
You need a Google voice number... (free)
NO im not spamming this.. i found it ON MY OWN and found it to be really useful since it works. Don't be haters... try it or not... its free and up to you.
I use this with my phone. There are places at my work where the only connection i have is WiFi... this solves the problem and i don't need stupid software to use it... just go to the site, set it up, and put the settings into your phone settings for internet calling.
Ive been using this for a few months now... and no, my Google account has not been hijacked and is a secure encrypted connection through a asterisk server and secure ports.
Read the FAQ on the site... its really simple and works.
our certyles
I've been testing it out a bit, it seems to work pretty well. I plan to drop my phone plan soon actually and just use a Verizon LTE hotspot.
I want to make sure I've got a method fairly reliable in place to make calls/texts with GV, and so far I've had success with the callback method, grooveIP (though the audio still sounds a bit funky), and using simonics and csip simple.
simonics + csip seemed to be the most reliable, though I've hit a snag: It's not allowing me to register my simonics account when I'm connected to my LTE hotspot. Works fine on any other wifi though.
silverwater25 said:
I've been testing it out a bit, it seems to work pretty well. I plan to drop my phone plan soon actually and just use a Verizon LTE hotspot.
I want to make sure I've got a method fairly reliable in place to make calls/texts with GV, and so far I've had success with the callback method, grooveIP (though the audio still sounds a bit funky), and using simonics and csip simple.
simonics + csip seemed to be the most reliable, though I've hit a snag: It's not allowing me to register my simonics account when I'm connected to my LTE hotspot. Works fine on any other wifi though.
Click to expand...
Click to collapse
How does this work? Doesn't a Google Voice number have to forward to a real number and be attached to one? Do you have another number that the GV is attached to?
I don't use a single app for this.
*Setup a Google voice (free)
- set your ringback as Google chat.
*Setup a pbxes.org account (free)
- set a trunk that points to your gchat
If you're on an AOSP ROM, open dialer, go to settings, scroll to bottom, internet call settings, accounts, point to your pbxes account.
Done!
Now you have free incoming + outgoing calls over WiFi or 4G. Even 3G as well.
If you use the sipdroid app (by pbxes.org ppl) instead of the built-in AOSP SIP stack you get more audio encoding options and the ability to pass your calls thru a VPN. Pretty sweet
kennyglass123 said:
How does this work? Doesn't a Google Voice number have to forward to a real number and be attached to one? Do you have another number that the GV is attached to?
Click to expand...
Click to collapse
I'm still learning about all this, it's been pretty confusing as it's all new stuff for me. I'll try to explain what I know (or what I think I know)
Internet calls (VOIP) are typically free when connecting to another internet connection (ex. Skype, Kakao, Seed, etc). PSTN (regular phone numbers) cost money to connnect. Google Talk, which is VOIP,. lets you call a PTSN for free from your desktop. This seems pretty unique and likely will not last forever I'm guessing.
Install a softphone on your device, and you're bypassing your carrier's calling network.
Calls coming in:
Now, it's possible to setup a free VOIP account and attach a "real" number to it as a way to connect to the outside world. This service called IPkall can give you a recycled Wash. state number and let you get calls on iit for free. I attached one of these to a Callcentric VOIP account..When someone rings my google voice number, it will ring my IDKall/Callcentric number, which oh yeah doesn't cost me anything.
Calling out:
Callback method: Using apps like the Google Voice Callback, you can do the same thing as you can from your desktop, which is have Google Voice ring one of your numbers while simultaneously calling the number you want to call. Google Voice is acting like the bridge between your phone and the one you're calling. Like you said you need a "real" number to make calls like this with google voice, but if your VOIP account is attached to a "real" number then it doesn't know the difference.Typically your carrier would charge you money/minutes to call your google voice number, but since you're connecting for free with a softphone/VOIP then you're only be charged for whatever data you use.
GrooveIP/Simonics Google Voice Gateway: I really don't know how these work, but my best guess is they're just simplifying the process for you, setting up the second VOIP account automatically.
So I'm annoyed that Csip Simple/simonics isn't working for me when I connect to my verizon sch-lc11 jetpack I picked up a few days ago (the verizon guys were pretty confused when I turned down a free iphone 4s, heh). Groove IP seems to be working all right now, if that fails then I can go back to the callback method, or maybe try setting up a pbx.
Setting the phone up so that it can receive SIP calls tends to chew through battery a little quicker.
Having said that...if you want to do your own thing and have an old pc (or even Raspberry Pi) laying around, check out PBX in a Flash (sorry I can't post links, just Google it). I've been running this setup for about two years to replace my land line with a google voice number and it works great. I've expanded my setup to have a home office number as well. All free. You can also set up your cell as a SIP or IAX extension and have the satisfaction of doing it yourself.
You can also purchase an obi100, and use the ObiTalk app.
This has been a work in progress over on the N4 forums, with little progress. I have zero cell reception in certain parts of my home with T-Mobile USA. What can I use as an alternative? Without using a different phone number (i.e Google Voice). Does Hangouts send SMS over Wifi or Cellular? What are you guys using?
Have you ever called tmobile about this. They have given people cell boosters for similar problems
Sent from my GT-N5110 using xda app-developers app
I'm having the same issue with T-Mobile. I have full LTE signal all around my city but the second I walk into my apartment I have absolutely no service. It's quite frustrating and I'm trying to find an alternative. I tried calling T-Mobile about it but they said their cell boosters are "only for stand alone homes and won't work in an apartment complex", which seems ridiculous but whatever.
I'd be willing to switch to Google Voice but I haven't been able to confirm whether or not Google Voice makes/receives calls and texts via Wifi, or if I'll need a separate app to make it work. Any help would be greatly appreciated.
The typical method these days is Google Voice (since that's not specifically an SIP/VoIP thing itself) + either GrooveIP or Talkatone (which ARE those things) and you can then do SIP/VoIP calling from the Google Voice number, but as noted in the T-Mobile $30 plan thread multiple times (and other places as well) Google is removing the ability for third party apps to interact with GV at the end of April 2014 so that's when we (people that GV + third-party apps) will be forced to find other solutions to make SIP/VoIP calls).
And the other thing is that T-Mobile Wi-Fi calling setup uses minutes from your service plan - most people don't know this and it's not a big hassle on a 1500 minute or unlimited calling plan, but for those of us with the $30 plan it's basically pointless to use it when other alternatives (such as those I just described, at least for another 5 months or so) exist.
Skype is another option but you could be looking at some money involved based on what/who/where you're calling, and then there's stuff like Vonage if you use that service but that's an expenditure as well.
Google Voice for the Home via ObiTalk
sn0warmy said:
I'm having the same issue with T-Mobile. I have full LTE signal all around my city but the second I walk into my apartment I have absolutely no service. It's quite frustrating and I'm trying to find an alternative. I tried calling T-Mobile about it but they said their cell boosters are "only for stand alone homes and won't work in an apartment complex", which seems ridiculous but whatever.
I'd be willing to switch to Google Voice but I haven't been able to confirm whether or not Google Voice makes/receives calls and texts via Wifi, or if I'll need a separate app to make it work. Any help would be greatly appreciated.
Click to expand...
Click to collapse
Just FYI; I told AT&T to go fly a kite about 8 months ago for my home phone and have been using Google Voice on my home line as well as my cell phone for FREE. Yes; that's FREE incoming and outgoing calls.
I am using a small VoIP phone adapter found on Amazon called OBi202 from ObiTalk.com
Costs about $80 bucks and there is even a wifi adapter for $25 if you can't plug it in via Cat5 to your internet connection at home.
Anyway; you configure the phone adapter to use Google Voice and voila! You can connect 2 separate lines. I have mine and my wife's hooked up to cordless phones so I now have free home phone service.
Down side? The caller ID is a numer and not a name. I read about services available for a subscription that will give you the Name on Caller ID but if this is so important to you I guess you are OK with paying $60+ for phone service. (Yea right)
When you get a call it will ring simultaneously on your home phone and your mobile.
Free service; I LIKE THAT. And if you get bad reception at home from your mobile the nice part is that this could solve your issue because you give out your Google Voice number out and the phone will automatically start be ringing on your cordless when you are home.
Hope this helps you!!:good:
---------- Post added at 08:07 PM ---------- Previous post was at 07:50 PM ----------
sn0warmy said:
I'm having the same issue with T-Mobile. I have full LTE signal all around my city but the second I walk into my apartment I have absolutely no service. It's quite frustrating and I'm trying to find an alternative. I tried calling T-Mobile about it but they said their cell boosters are "only for stand alone homes and won't work in an apartment complex", which seems ridiculous but whatever.
I'd be willing to switch to Google Voice but I haven't been able to confirm whether or not Google Voice makes/receives calls and texts via Wifi, or if I'll need a separate app to make it work. Any help would be greatly appreciated.
Click to expand...
Click to collapse
Oh; to answer your question I sent myself and back texts using Google Voice over Wifi only and it worked. I have called with it via Wifi also when traveling.
So it does.
You can use MagicJack. They also have a android app. I heard it pretty good, however to use the android app, you need to register your phone. Once you register your phone, you can't unregister it. This is info I pulled about a year ago. Look into it though.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Port your number to Google Voice.
Get a VoIP account at a provider that has good latency for your location (I use voip.ms, costs $0.014/min outgoing, ~$0.01/min incoming).
Set up CSIPSimple on your phone (use g729a for good quality on slower connections, PCMU on faster connections; be prepared to fiddle with settings to get it down right)
Make calls using CSIPSimple from your voip.ms account
Set up Google Voice to ring both your voip.ms number when you receive calls, as well as your T-Mobile number (in case you don't have WiFi or data when the call comes through).