UPDATE 1.1.5: Call Via Phone application for Lync 2010

Hi all, I developed an application  to grow the capabilities of the call via telephone in an environment that includes Lync and SNOM as ip-phone with the firmware Apollo or oldest. At this time only Lync IP-PHONE version with a “USB “Better Together” can make call via Lync 2010 Client. So with this application you can able to do also with all the SNOM UC Apollo firmware and also with the oldest SNOM OCS firmware. As most of you know the new Apollo firmware allows authentication by inserting Extension and PIN, or as an alternative, but more cumbersome, the use of username and password.

At this time it work only in Lync 2010 client , the extension of Lync 2013  is still in development.

Following all Windows version tested :

  • Windows 7 32/64 bit
  • Windows 8 64 bit
  • Windows Server 2008 R2 64 bit

Following is a brief guide:


Updated 32 bit version 1.1.5 download:  Call Via Phone app 32

Updated 64 bit version 1.1.5 download:  Call Via Phone app 64

Before install it , unistall the old version from Control Panel. This new version  solve an issue regarding “phone-context” string manged by the SNOM phone , thanks to Olivier Kiel for feedback about it.

Once installed go ahead with the setup.


Start Lync 2010 Client and go to Tools –> Configure Call Via Phone App

After that a Message Box appear , and after fill the field (information below is not real, provide you own configuration) click to save.

 After that, you are now ready to use the call via phone app.


On your buddy list , right click to a contact and click “Call Via phone”

Please give feedback and do not hesitate to contact me for any kind of information or problem.

if you want to donate to help and encourage the development you can follow this link :

Download Link :

Updated 32 bit version 1.1.5 download :  Call Via Phone app 32

Updated 64 bit version 1.1.5 download:  Call Via Phone app 64

NEWS *  : New Call Via Phone Advanced version  coming soon with this feature :

  • When you click on a contact you can choose which number call using the phone(Lync , Mobile, Work, Voice mail)

13 thoughts on “UPDATE 1.1.5: Call Via Phone application for Lync 2010

  1. Hi,
    I liked the concept.
    It did not work for me. Seeing the crash as soon the Call via phone configuration is filled. See the below snapshot
    The crashdump is
    Problem signature:
    Problem Event Name: CLR20r3
    Problem Signature 01: callviaphoneconfigurator.exe
    Problem Signature 02:
    Problem Signature 03: 50701a61
    Problem Signature 04: mscorlib
    Problem Signature 05:
    Problem Signature 06: 4ee9af8e
    Problem Signature 07: 378f
    Problem Signature 08: 3e
    Problem Signature 09: System.UnauthorizedAccess
    OS Version: 6.1.7601.
    Locale ID: 1033
    Additional Information 1: 0a9e
    Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
    Additional Information 3: 0a9e
    Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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  2. Hi Ravikiran, first of all thanks to try my application, for a speedy resolution can you provide me these informations :
    – The problems appear during installation or when you click on “Call via Phone Configuration app” menu on Lync ?
    – Are you an administrator or simple user or power user ?
    – Have you the UAC (User Access Control) activate ?



  3. Ok, I made some change , can you try to download the new version, please unistall the old application before and reinstall this new. you can download from the link provided in the main post. thanks in advance and if you can please write a feedback 🙂

  4. Pingback: New unofficial Click-To-Call app for SNOM Phones - Lync 2010 - Pro-Exchange,Lync & Office 365

    • Have you fill the correct information on the configuration ? can you provide me the os version and eventually the .net framework version?I’ m working on a log debug function to help the troubleshooting phase.

      • Hi, sorry for the late response.
        I’ve entered the IP of my phone and the extension and PIN for authentication, as I also use them to log in to the phone on the first connect. The IP is working, since I can access the web browser of the phone.
        We’re using Win7 x64 with .net FW 3.5 and 4.x
        The point is, that there’s no error at all, but nothing happens, when you click on the contect menu item “call via phone”. “Nothing” means, the call window in Lync is opening, but the phone doesn’t show any reaction at all.

        Thanks, Oliver

  5. Oliver i found a bug related to your problem (when you click to call from lync snom phone give you an error about , “The INVITE request URI is malformed”) , i develop a new release that i think solve the problem , tell me if now the issue was resolved. Thanks

  6. Hello, is there anyway to make the “Call Via Phone” the default action in the Lync 2010 Client? For instance, when you right-click on a user in the Lyn Client – the action is use the softphone to call them. We have some users who are “old School”. Thank you.

    • Hi Sandro thanks for the comment, in this release my answer is no , but it is a good idea for a next release in which i can bypass a classic lync call, i’ll think on a solution about it as soon as possible :). If you have any other questions don’t hesitate to comment or contact me. Regards Gianluca

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