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Why does my CNAM not show in international numbers?

Caller ID name is one of the few significant technical differences between international/Canadian and US phone networks. In the US, just the Caller ID number is passed between carriers. When the service provider of the calling destination receives the call, it looks up the Caller ID number in the CNAM database if the end subscriber pays for the Caller ID name service. This lookup provides the registered Caller ID name, which is then supplied to the end user. There is a charge for each CNAM data...

Does Flowroute support SMS?

Utilize Flowroute’s carrier-grade SMS capabilities to communicate with customers using existing toll-free and long code numbers in the US and Canada. 

What is a high cost surcharge?

A high-cost surcharge is a charge found on the account when an excessive number of calls are going to a destination that costs more that the standard rate. 

What is Dialer Surcharge?

The dialer surcharges are assessed due to traffic statistics not meeting the minimum requirements as outlined in the end-user service agreement. These traffic requirements are passed down to by upstream carriers.

How do I cancel my Flowroute account?

Instruction on how to properly close your Flowroute account

What is the maximum number of simultaneous SIP registrations is allowed?

Flowroute restricts a single user account to 24 simultaneous SIP registrations. This is a high-level threshold for SIP registrations. 

Can I use CNAM on Toll-Free numbers?

Toll-Free numbers do not support the CNAM service.

Can I use E911 service on Toll-Free numbers?

A Toll-Free number is considered an inbound only DID (meaning it is only to accept calls and not generate outbound calls), although you still can call 911 services from your Toll-Free number

Kari’s Law and Ray Baum's act's impact on VoIP providers

Frequently Asked Questions about Kari’s Law and Ray Baum's act's impact on VoIP providers

Why a valid Email is requested for Flowroute Services?

We highly recommend you to review your email on file and update it accordingly to your preferences.

CCRF Rate Update - Oct 1, 2020

Frequently Asked Questions about CCRF Rate Update starting Oct 1, 2020.

How Do I Add or Delete a Stored Credit Card?

Flowroute currently accepts Visa, MasterCard, American Express, JCB, Discover, and Diners Club cards. In order to make a payment on your account, you must first have a credit card on file.

Which states / countries / area codes can I purchase DIDs in?

List of territories you can purchase DIDs with Flowroute

Does Flowroute offer postpaid service?

No. At this time Flowroute provides its service with a pre-paid payment system. If you want more information on the payment system, review this link: Payment Options (

Which payment methods can I use?

Supported Payment Methods

What are federal USF charges, and am I exempt from them?

Detailed information about Flowroute FUSF charges to cover FUSF contribution obligations.

What is MRC and NRC?

Types of MRC and MRC explained

Does Flowroute Pass a Caller ID?

Flowroute offers the CNAM service for you to provide the destination with a Caller ID along with Phone number.

How to resolve issues with Credit Cards?

Most common issues with Credit Cards and possible solutions

Where can I find my payment confirmation email?

If you’ve made payment with us and didn’t receive any confirmation mail, there are a few things that you can check described in this article

How does Flowroute determine the specific rate charged for an outbound call?

Flowroute calculates outbound call charges based on the longest matching prefix against our full rate list, read more in this article

Can I Call Toll-Free Numbers Using Your Service?

Yes, Toll-free termination and inbound service are supported by Flowroute.  

How to access Manage Portal if I forgot my password?

This article will walk you through the process of resetting your Flowroute Manage Portal account password. 

How to set up DID Aliases?

In this article you will find recommendations on how to setup DID Aliases

How can I get a vanity Toll-Free number?

Recommendations for vanity Toll-Free numbers

How to Start a Flowroute Support Account?

Flowroute offers a quick and easy way to review Support tickets and quickly get answers when we are able to address in good order. 

What is Flowroute's Direct Media Delivery?

Direct Media allows us to offer on-demand capacity rather than limiting the number of simultaneous calls that can be made on a Flowroute account.

Which codecs does Flowroute support?

Please refer to Technical Specifications ( for a complete service guide. Codecs Supported (SDP media attribute): - G.711 Ulaw (0) - G.711 Alaw (8) - DTMF tones (101) - G.729a (18) Flowroute takes a unique approach to deliver call audio: Direct Media. RTP media on your calls is delivered directly from your equipment to a peering network’s media gateway on the PSTN. Read more about Direct...

HyperNetwork FAQ

FREQUENTLY ASKED QUESTIONS (FAQ) about Flowroute Hypernetwork launch

Does Flowroute accept PO Box as a Service Address?

NO. Flowroute must provide a customer with the proper means to report state and local taxation.

VoIP Service impact under Kari’s Law and RAY BAUM’S Act 911 FAQ

FAQ about VoIP Service impact under Kari’s Law and RAY BAUM’S Act 911 (updated on Feb 24, 2022 )


FAQ about FUSF and CCRF

Does Flowroute support MMS?

Yes. Flowroute supports the sending and receiving of MMS.