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- HP Community
- Poly Phones
- PSTN
- VTX 100 connection to PC

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05-15-2019 03:47 AM
Dear Community,
Can i connect VTX 1000 device to a PC using 3,5mm jack?
As i can see,Computer calling kit is certified for SoundStation 2,can i use this kit for this older model?
Thank you in advance.
Best Regards,
Solved! Go to Solution.
Accepted Solutions
05-15-2019 07:15 AM
Hello @sotiris
the RCA connection is only to provide an output for the phone to be connected to an amplifier and not for it to be used out of a call to my knowledge.
Best Regards
Steffen Baier
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
05-15-2019 04:27 AM
Hello @sotiris ,
welcome back to the Poly Community.
From the Data Sheet:
Auxiliary audio
Input
• Style: phono jack
• Function: switchable between Polycom
wireless mic/AUDIO IN/OFF
• Softkey configurable setup menus
Output
• Style: phono jack
• Function: switchable between
subwoofer/external
• PA/record out/OFF
• Softkey configurable setup menus
The VTX does not have the 2.5mm Audio Output on the phone but a Phono Jack on the Power Supply.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN

05-15-2019 05:22 AM
Hello Steffen,
So if i connect an RCA cable to the suitable port on my PC,will i be able to use the device as i speakerphone?
Or there are limitation for this,i mean to work only as a speaker given that no PSTN will be used,just a connection to PC
05-15-2019 07:15 AM
Hello @sotiris
the RCA connection is only to provide an output for the phone to be connected to an amplifier and not for it to be used out of a call to my knowledge.
Best Regards
Steffen Baier
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN