Frequently Asked Questions

Can I call and fax from the same phone number?

Yes. All numbers hosted on Flowroute are T.38-enabled, so you can call, fax, and text from the same number.

Am I limited on the number of faxes I can send?

No. You can send unlimited faxes with Flowroute. If you are looking for volume pricing, please contact our sales team.

How much does the Flowroute fax service cost?

We charge the same for faxing as we do for calling, $0.005/minute for inbound faxes and $0.00833/minute for outbound faxes. For example, if a fax takes 10 minutes to send, we charge the same as what a 10-minute outbound call would take.

How do I use Flowroute’s fax service?

Similar to the voice and SMS/MMS, we can integrate with any T.38-compatible fax machines, ATAs or servers.

Does Flowroute offer fax?

Yes! Flowroute offers faxing service via the T.38 protocol.

How do I use Flowroute’s messaging service?

Flowroute offers messaging services via API endpoints and can work with a variety of messaging gateways. We work with 3CX and Textable, or you can build your own service we can interoperate with.

Is there a size limit on images I can send via text?

Yes. Flowroute’s maximum MMS message size is 750KB, including text. You may have more than one media file attachment as long as you meet the total size limitation of 750Kb. SMS has a limit of 160 characters or less.

Am I limited to a certain number or text messages per month?

No. You can send unlimited text messages with Flowroute. We charge per message for long-code SMS/MMS and toll-free SMS/MMS. Please see our Messaging Fees & Surcharges for a complete list of fees and surcharges.

Can I text and call on the same number?

Yes! Flowroute allows you to use voice and text messaging services on the same number.

How do I use Flowroute’s voice service?

Flowroute offers messaging services via API endpoints and can work with a variety of messaging gateways. We work with 3CX Asterisk, and FreeSWITCH, or you can build your own service we can integrate with.

Am I limited to a certain number of calls?

No. Flowroute does not limit calling by the number of call paths. We charge by the minute only with no limit on simultaneous calls or call volume.

Do I have to purchase a bundle of minutes?

No. Flowroute does not limit calling by the number of minutes. We charge by the minute and only charge for the minutes you use.

How much do your voice services cost?

All phone numbers cost $0.50 per number each month. If you are interested in volume discounts, please reach out to our sales team. Domestic inbound call rates are $0.005/minute. Domestic outbound call rates are $.00833/minute. Please see the outbound rates page for a detailed breakout. Toll-free inbound/outbound rates are $0.00975.

Can I text and call on the same number?


Can I port a number to Flowroute?

Yes! You can port one or more numbers to Flowroute. Price breaks may be offered for large orders on a case-by-case basis.

Do you offer international numbers?

Flowroute offers phone numbers for the U.S. and Canada.

Do you offer local phone numbers?

Yes! You can select local telephone numbers by area code in locations across the U.S. and Canada.

Do you offer PBX services?

No. Our products interoperate with PBX software, helping customers integrate voice and messaging services into their applications or phone systems.

Do you offer physical phone systems?

No. We offer the communication service, not the hardware or software PBXs.

Can I test a Flowroute SIP trunk?

Yes! Want to take Flowroute for a test run first? No problem. You can get set up in three simple steps:

  1. Sign up for an account.
  2. Activate your account – Flowroute is a pre-paid service, therefore you will need to fund the account with $40 under Preferences → Billing Management.
  3. Connect your PBX (3CX, Asterisk, FreeSWITCH, etc) – We have a number of config guides to help with your set up.

If for any reason you are not satisfied with Flowroute, we will refund your $40. There are no contracts, you can cancel at any time. Please contact sales for more information.

How do I integrate with Flowroute?

Flowroute offers two different interconnection options: SIP trunk registration and IP-based authentication. See knowledge base for more info.

Do you work with different types of software?

We are software-agnostic with the ability to interoperate with just about any hardware or software product through our APIs. If you have specific questions, please contact us.

Do you provide business voice services?

Yes! We offer business voice services via SIP trunking as a cost-efficient, scalable solution that includes high-quality inbound and outbound voice capabilities. We can also connect voice to Microsoft Teams.

Do you have a knowledge base for support?

Yes, we do! You can find it at

What kind of support does Flowroute offer?

Our support is free! Our non-tiered support system is included in the cost of our services. The fastest way to reach us is by opening a ticket or emailing. Our general hours are 6 AM – 5 PM PT, but we do offer 24/7/365 emergency support.

Does Flowroute offer business continuity for mission-critical voice applications?

Yes! Our patented Flowroute HyperNetwork™ is the only solution on the market that offers business continuity for virtually all inbound DIDs across the majority of the U.S. When there is an issue, Flowroute HyperNetwork dynamically changes the routing of telephone numbers, connecting the call via a different path to guarantee instant failover and redundancy and excellent call quality.

Do I have to sign a contract with Flowroute?

No. We are a monthly service provider, and you can cancel at any time. We do have a contract option for those looking for lower pricing and additional resources.

Can I use Flowroute to develop a custom application?

Yes, absolutely! We can show you how to build simple yet powerful voice and texting applications and bring a conversation into your application where it matters.

How much does Flowroute cost?

Every service we offer has a fixed, monthly fee, and the total cost each month will depend on the services you use. We are a metered service provider, so you only pay for what you use. We do not charge a setup fee. Please visit our Pricing page or contact our sales team to learn more.

Is Flowroute right for my organization?

Flowroute is the perfect solution for any organization with IT resources, such as SMBs that have their own IT teams, managed service providers, internet service providers, and software developers looking to integrate communication features into their applications. Government agencies, insurance companies, medical companies, and education institutions are some of our customers.

Is Flowroute a part of BCM One?

Yes! Flowroute is a business unit within BCM One, one of the most respected and fastest-growing companies in the telecom industry.

What is SIP Trunking?

A SIP trunk is a virtual version of an analog phone line, eliminating the physical connection to a phone company. Using SIP trunks, Flowroute can connect multiple channels to your PBX, allowing you to instantly provision global voice connectivity for your Voice over IP (VoIP) infrastructure.

What does Flowroute do?

Flowroute is a self-service, 100% cloud-based SIP trunking and SMS platform that gives organizations with contact centers, CPaaS, and on-premises or virtualized PBX systems everything they need to run mission-critical voice applications.

Do you offer vanity or toll-free numbers?

Yes! For vanity numbers, choose a unique phone number that makes sense for your business from Flowroute’s large inventory of vanity phone numbers. We offer a large selection of toll-free inbound numbers as well.

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