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- HP Community
- Poly Phones
- UC Platforms
- CCX 500 with 8.02.2337 predials external numbers

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01-25-2023 07:22 AM
Has anyone run into an issue where a user dialing on a CCX 500 phone would try to dial an external number, and it would take the first 4 numbers ( I.E 1907) and then begin the call? We had several phones like that on 8.02.2337. If we roll it back to 7.32.0182 it does not autodial
01-25-2023 07:32 AM
Hello @Needofhelp ,
Welcome to the Poly Community.
It would be super helpful if you could supply the provider that is being used and if this is Microsoft Teams also the Teams app version.
In addition, was Microsoft support contacted yet as PVOS 8.0.2 was released early December?
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
01-25-2023 01:19 PM
Hello @Needofhelp
UC Software 7.3.2 contains Teams Application 1449/1.0.94.2022062103
PVOS 8.0.2 contains Teams Application 1449/1.0.94.2022110803
Which application did you update to using the TAC when running UC Software 7.3.2?
My suggestion is to work with our Partner Microsoft as they control the Application running on our phones and the platform you are using.
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
02-01-2023 10:16 AM
A new version of the Teams app has been released (1449/1.0.94.2023010607). Does the issue still occur with that version?
As Steffen says, Microsoft is responsible for the app that runs on the device, so only they can assist with this issue.

02-07-2023 12:49 PM
I have. Here is some more information.
This issue initially started when we upgraded the CCX phone to Firmware 8.0.2.2337 / Teams APP : 1449/1.0.94.2023010607 but when we downgraded the firmware to 7.3.2.0182 Teams App: 1449/1.0.94.2022062103
It will not auto-dial
I next tested out downgrading the firmware to 7.3.2.0182 but kept Teams APP: 1449/1.0.94.2023010607 – and the problem would pop up
This issue also pops with the Teams app version: 1449/1.0.94.2022090705 and 1449/1.0.94.2022110803
We also did a little more digging, and we are not the only ones having this issue
https://www.reddit.com/r/MicrosoftTeams/comments/y3qvwt/auto_dial_out_setting_on_yealink_mpxx/