Howto:Softwarephone and terminal server enviroment or thin clients: Difference between revisions

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Revision as of 13:16, 2 December 2019

Having innovaphone softphone running on thin clients

Applies To

This information applies to

  • innovaphone softphone


More Information

informations about thin clients and Client/Server thin clients

Problem Details

The softphone needs a local sound card, that means it makes little sense connecting an USB Headset or an IP10 (USB phone) on the server (in the server room) and pass the USB cable till the local workplace. You want to connect the USB audio cable on the local PC you are working on - the thin client.


As the whole user interface (e.g Windows and Applications) is running on the server, you will need an USB sound proxy (Client Audio Mapping in Citrix Speak), and will look like this:

IP10 <--USB--> Thin Client (PC) <---- TCP/IP -------> Server (Citrix Metaframe)

In the thin client from the USB sound proxy to the USB sound data must be an uncompressed conversation to the Server , because there is the softphone running. There the data will be processed, compressed and sent via IP. This is not a nice solution - wasting bandwidth and delay creating (having also an extra delay for thin client to the server).


It is possible to run the softphone via Citrix from Citrix Metaframe 3.0 and Citrix 4.0 via Application Streaming, but the IP10 keypad will not be mapped (therefore you would need an Usb keypad proxy), so this is only with Usb headset possible.


The Microsoft Terminal Server does not support Audio-mapping at all.


A thin client with Windows operating system and a CPU > 500MHz is a nice variant. Here you install the softphone locally and run on it the Citrx client - but be aware maybe here you can´t access the softphone client application, because it is hidden by the Citrix application window.

Moreover, the Softwarephone (v10 and later) can not be started twice on a single computer. even if this computer runs a terminal server.

Conclusion

Running a softphone on a terminal server may work (depending on the terminal server implementation). However, it is a support nightmare and we do not recommend it. Running the softphone on the thin client may work nicer. Then again, the thin client isn't "thin" any more then. Better use a hard phone!