Guides
Business phone systems, explained plainly
Short answers first, then the detail. Written for the person who has to choose a phone system for the office, not for telecom engineers.
What is a PBX?
What PBX stands for, what a PBX does, the three types (traditional, IP and cloud), how PBX and VoIP fit together, and a checklist for moving off an old system.
Updated Read
How much does a business phone system cost?
Every line on a business phone bill, from the plan to the "regulatory recovery" fee, with PBXflex's own published usage rates and one-time costs.
Updated Read
A2P 10DLC registration, step by step
What A2P 10DLC means, the brand and campaign registrations carriers require, what you submit, how STOP and HELP work, and how long review takes.
Updated Read
IRS fax numbers by form, with the source for each
The IRS fax numbers for Forms 2848, 8821, 2553, SS-4, 4506-T and 911, by state, each linked to the irs.gov page it came from. Plus when to submit online instead.
Updated Read
Free fax cover sheet templates, and how to fill one in
Three free fax cover sheet PDFs (general, confidential and IRS), with a plain guide to what each field means and how to count the pages.
Updated Read
See how it works on PBXflex
Auto attendants, call queues, business texting and fax in one app, on desk phones, the web and mobile. Number porting is free, and there is no contract.
Questions first? Call (877) 575 - 9527