02-19-2015 06:59 AM
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  1. CellularMan's Avatar
    Linphone
    Linphone | Windows Phone Apps+Games Store (United Kingdom)
    Linphone for Windows Phone 8 ! | Linphone, an open-source video sip phone

    FINALLY! I have been waiting for this feature to return since WM 6.x days. Almost 3 years now.
    CSMR250, revfast and mister2d like this.
    08-14-2013 03:09 PM
  2. revfast's Avatar
    Thanks, i wish it had iax2 support like zoiper does.
    08-14-2013 03:17 PM
  3. halamadridkimi's Avatar
    Can u explain what is sip? And how it differentes from normal voip calls like viber skype?
    08-14-2013 03:19 PM
  4. CellularMan's Avatar
    Basically you can make and receive calls that show up from a real traditional phone number. You need a SIP account with a provider which typically costs money
    08-14-2013 04:49 PM
  5. cliveontoast's Avatar
    Can u explain what is sip? And how it differentes from normal voip calls like viber skype?
    My explaination is that SIP is an open standard for VoIP Session Initiation Protocol - Wikipedia, the free encyclopedia compared to Skype and Viber these are proprietary and closed VoIP systems. Using Skype, you can only call other Skype users for free. Using SIP, you can call any other SIP users (typically for free). You just need to know their account name. For example mine is 086xxxxxxx@sip1.exetel.com.au. It is a VoIP service where people can call me via SIP, or via the traditional phone services in Australia. Usually companies that provide SIP accounts will allow you to call traditional land line and mobile phone and international numbers for a price that is typically cheaper than other means.

    linphone do provide a free SIP service that you can use to call other SIP clients Free SIP service | Linphone, an open-source video sip phone I've not set one up myself though.
    08-15-2013 04:40 AM
  6. mister2d's Avatar
    Linphone
    Linphone | Windows Phone Apps+Games Store (United Kingdom)
    Linphone for Windows Phone 8 ! | Linphone, an open-source video sip phone

    FINALLY! I have been waiting for this feature to return since WM 6.x days. Almost 3 years now.

    YES! You weren't the only one waiting! Thanks!
    10-08-2013 02:51 AM
  7. StephenWagner7's Avatar
    I've been waiting for a SIP client.

    How well does this work on WP8? Has anyone tried it?
    10-08-2013 07:32 AM
  8. mister2d's Avatar
    I've been waiting for a SIP client.

    How well does this work on WP8? Has anyone tried it?
    It doesn't stay registered when you background the app, so it's really only useful for outbound calls. Otherwise you would have to keep the app in the foreground to receive incoming calls.
    10-09-2013 04:44 AM
  9. wpeightuser's Avatar
    You can have the app in the foreground and lock the screen. It will allow you to receive calls, but only for a short period of time until it drops the registration again. It also needs the G729 codec along with some other missing features such as transferring/conferencing calls.

    I think the main advantage of SIP lines are not the free calls but the ability to customize your phone system with practically endless possibilities. The potential is huge for businesses. As single consumer users, it's rather pointless to pay or use a SIP service when services like Google Voice and Skype are better suited.
    10-09-2013 01:03 PM
  10. mister2d's Avatar
    You can have the app in the foreground and lock the screen. It will allow you to receive calls, but only for a short period of time until it drops the registration again. It also needs the G729 codec along with some other missing features such as transferring/conferencing calls.

    I think the main advantage of SIP lines are not the free calls but the ability to customize your phone system with practically endless possibilities. The potential is huge for businesses. As single consumer users, it's rather pointless to pay or use a SIP service when services like Google Voice and Skype are better suited.
    Agreed on the single consumer use. In my case I use VoIP service as my home phone and my Nokia as a mobile SIP client (sub account). The whole setup costs me about 6.32 a month with 911 services.
    10-09-2013 11:17 PM
  11. psyfreaki's Avatar
    i can make a call but it drops after 6 second... any ideas ?
    11-28-2013 05:41 PM
  12. mister2d's Avatar
    I would post the details to their mailing list or email support.
    11-29-2013 12:24 AM
  13. sakdroid's Avatar
    I tried this app for as my SIP client on my Lumia 520, it wants the app to be always up and running to receive calls.
    If I switch to different app and this app didn't run in Background. So no calls are there?
    Is there any setting or any other good app to use as SIP client?
    03-07-2014 11:07 AM
  14. foxbat121's Avatar
    The way WP8 setup for SIP clients, it is possible to receive calls in background but the app vendor needs to setup a notification server to send out notifications when a call comes in. This is basically how Skype works today. Not an easy task and costs a lot of $$ to maintain such a server.

    SIP is not mobile friendly. Open a socket and waiting for incoming calls is a quick way to drain your battery.
    03-07-2014 06:19 PM
  15. sakdroid's Avatar
    So is there any paid SIP app which works like Skype?
    Is it WP8 wants a notification server? How are they handle in Android and iOS?
    03-07-2014 10:17 PM
  16. mister2d's Avatar
    The way WP8 setup for SIP clients, it is possible to receive calls in background but the app vendor needs to setup a notification server to send out notifications when a call comes in. This is basically how Skype works today. Not an easy task and costs a lot of $$ to maintain such a server.

    SIP is not mobile friendly. Open a socket and waiting for incoming calls is a quick way to drain your battery.
    And yet on my Nokia 808, the built in SIP client works flawlessly while my battery lasts about 2.5 days.

    It can be done. It's just not implemented effectively on Windows Phone.
    03-07-2014 11:23 PM
  17. foxbat121's Avatar
    It is implemented efficiently. That's how a modern app should be. On Android, the built in sip client or 3rd party sip client all have the same issue. If you want to receive calls, you need open a socket and waste battery

    The problem with notification server is you pretty much have to be a sip provider so that your server receives incoming calls then notify and hand over to phone.
    03-08-2014 06:49 AM
  18. mister2d's Avatar
    It is implemented efficiently. That's how a modern app should be. On Android, the built in sip client or 3rd party sip client all have the same issue. If you want to receive calls, you need open a socket and waste battery

    The problem with notification server is you pretty much have to be a sip provider so that your server receives incoming calls then notify and hand over to phone.
    Explain its modern efficiency if it wastes battery. I'm confused there.

    What I'm saying is that on my old Symbian phone, battery is not an issue with it staying connected and listening 24x7.
    03-08-2014 06:58 AM
  19. foxbat121's Avatar
    Explain its modern efficiency if it wastes battery. I'm confused there.

    What I'm saying is that on my old Symbian phone, battery is not an issue with it staying connected and listening 24x7.
    My old dumb phone lasted 7 days compare to your 3 days. Not the same thing. And if your turn off SIP receiving feature, your 808 may lasts couple more days.

    Modern phones are designed to receive notifications from notification servers in an efficient way (typically a long http session with periodic heart beat) that only the message pipeline stays alive. All other software components goes to sleep. When notification comes, it will wake up the receiver to process. With an active socket open by a SIP client, the SIP client app must be alive all the time in order to maintain the pipe open and it may not even be possible to be as efficient as the built-in OS notification channels. So, it naturally will consumes more power than otherwise.
    03-08-2014 08:40 AM
  20. mister2d's Avatar
    My old dumb phone lasted 7 days compare to your 3 days. Not the same thing. And if your turn off SIP receiving feature, your 808 may lasts couple more days.

    Modern phones are designed to receive notifications from notification servers in an efficient way (typically a long http session with periodic heart beat) that only the message pipeline stays alive. All other software components goes to sleep. When notification comes, it will wake up the receiver to process. With an active socket open by a SIP client, the SIP client app must be alive all the time in order to maintain the pipe open and it may not even be possible to be as efficient as the built-in OS notification channels. So, it naturally will consumes more power than otherwise.
    You still did not explain how it's more efficient. You just repeated three times over how it works on windows phone. I know this already since I've been through the published APIs.
    03-08-2014 09:26 PM
  21. foxbat121's Avatar
    The OS already has notification channel open for all incoming notifications. In order to do SIP socket listen, you have to open additional connections and keep the app alive, both of which are extras you don't have to do. Keep in mind, the WP notifications are coming from MS push servers, not directly from any app server.

    Also, to maintain the socket connection open with the SIP server, you need refresh the registration periodically. That's additional task needs to be performed that requires wake the phone up. All this can be handled by a server without involving the phone at all.
    03-09-2014 08:51 AM
  22. mister2d's Avatar
    The OS already has notification channel open for all incoming notifications. In order to do SIP socket listen, you have to open additional connections and keep the app alive, both of which are extras you don't have to do. Keep in mind, the WP notifications are coming from MS push servers, not directly from any app server.

    Also, to maintain the socket connection open with the SIP server, you need refresh the registration periodically. That's additional task needs to be performed that requires wake the phone up. All this can be handled by a server without involving the phone at all.
    And now this makes it the forth time you've explained how it works. Buddy, trust me when I tell you this, I already know all of this.
    03-09-2014 02:36 PM
  23. foxbat121's Avatar
    And now this makes it the forth time you've explained how it works. Buddy, trust me when I tell you this, I already know all of this.
    so why do you keep asking the same stupid question? Unless you don't understand extra connection and extra work equal extra battery drain.
    03-09-2014 03:52 PM
  24. HoosierDaddy's Avatar
    so why do you keep asking the same stupid question? Unless you don't understand extra connection and extra work equal extra battery drain.
    Forest.... meet the trees
    03-09-2014 04:11 PM
  25. mister2d's Avatar
    so why do you keep asking the same stupid question? Unless you don't understand extra connection and extra work equal extra battery drain.
    This reply is interesting.

    I'll reiterate since you sound like a broken record. On my 808, I get the same battery life (2.5 days) regardless if I'm registered to my VoIP server or not.

    You claim with Windows Phone, Microsoft's implementation would be even more of a battery drain.

    My question was simply, 'how is this more efficient than an old Symbian device if it drains the battery faster?'.

    What you proceeded to do was repeat the client/server communication data model over and over, which ignored the battery drain issue I raised.

    The way SIP and notifications are implemented on Windows Phone simply isn't more efficient than Symbian if the battery drain will be as significant, as you say.

    From a dead start of the same usage, my Lumia 920's battery would die a little more than a day before my 808's battery gives out.

    Is this crystal clear now?
    03-10-2014 08:42 AM
49 12

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