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Polycom IP phones with Third party server registration

Occasional Contributor

Polycom IP phones with Third party server registration

Dear There's


We have getting some issue with Polycom IP phone whille dial out no as we are not able to dial out external PSTN STD numbers


whenever we try to dial out external PSTN STD no with prefix start 9 and STD code 0 followed by dial out number but it stuck with 909 and keep call only three digits


We are able to dial local PSTN number through above mentioned process.


Any suggestion or steps to get it resolve.


With Best Regards

Prem Kumar


Message 1 of 2
Polycom Employee & Community Manager

Re: Polycom IP phones with Third party server registration

Hello Prem Kumar,

welcome to the Polycom Community.

The community's VoIP FAQ contains this post here:

Oct 7, 2011 Question: Phone unable to Dial a number when Off Hook or on 2nd Call in a Conference

ResolutionPlease check => here <=

Please ensure you always post the phone model and the currently used software.

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.
Message 2 of 2