You’ve Got Questions, we’ve got answers.

Checking to see if a number is portable to Vox Tandem is easy. Simply go to Services / Originations / LNP Check or click LNP Check
It is easy! Simply log into your Vox Tandem web portal, click 'Billing' and 'Add New Card'. Once added, confirm your newly added card by 1) checking the credit card website and vierfy the amount Vox Tandem authorized on your card or 2) simply call your credit card company and ask for the amount authorized by Vox Tandem. Once you have obtained the amount, sign into your web portal and click on the 'review card' page.
Porting a local number can take up to 3 weeks depending on the losing carrier. Typically, we receive FOC dates for local numbers within 3-5 business days and for Toll Free Numbers, even sooner! For further questions, contact your sales representative!

Services we offer



Pay a low monthly fee per PBX rather than inflated prices per extension and stay away from long term contracts, or outsource to...


3CX License Packages

3CX is priced as an annual license/subscription which is based on the number of simultaneous calls required.


IP Phones

Enrich Collaboration, Improve Productivity - Yealink's T4S series is the upgraded IP phone line of Yealkink's former T4 series.


Voice SIP Trunking


Instant Numbers

Provisoning numbers has never been easier! Add and configure numbers instantly on your account with a click of a button!



Quickly and easily set up E911 service to automatically associate a physical address with the calling party's telephone number.