Remove the boundaries

with FBF Numbers

Why do customers choose Five by Five?

The VoIP platform for telecommunication and business professionals

Compliant two-way SIP Trunking, everywhere

Full global compliance in 90 countries and 5190 areas. Readily available Landline, Mobile and Toll Free Phone Numbers and two-way local SIP Trunking. Licensed or directly partnered with a local carrier in every country.

Designed for carriers, excellent for enterprises

Built for quality, performance, security and privacy at every level. Network uptime - 99,998%, strategically placed mega POPs, direct peering & optimised routing.

Profitable business outcomes

Experience Five by Five flexibility from custom pricing to free professional customer service to simplify your business decisions.

Quality services for enterprise communications

Scalable and fully compliant global backbone for your business telephony. Free number porting, customized onboarding and pricing. Benefit from secure and reliable global connectivity.

Relationships are our foundation

Free support from highly professional, competent and friendly staff, whenever you need - 24/7/365.

Our Services

Get VoIP Building blocks for telecom or business professionals

Local Phone Numbers

Instantly available Local Phone Numbers worldwide combined with premium quality, reliability, and full regulatory compliance.

National Phone Numbers

Complete freedom with National Phone Numbers for businesses in multi-regional markets across the globe.

Mobile Phone Numbers

A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.

Toll Free Phone Numbers

An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.

Shared Cost Numbers

Effortless business phone number setup with country-wide accessibility.

Universal International Freephone Numbers

A single Toll Free Number for a truly global brand presence and reachability.

Inbound SMS trunk

A reliable Inbound (E-mail, HTTP, SMPP ESME, SMPP SMSC) SMS trunk service for receiving messages sent to local, national and mobile SMS-enabled FBFs.

Outbound SMS trunk

A powerful outbound SMS (HTTP, SMPP ESME, SMPP SMSC) trunk service for sending messages from FBFs to mobile phones around the globe.

Inbound SIP trunk

A powerful inbound (SIP, IAX2, H.323, PSTN) trunking solution for the reliable delivery of inbound VoIP traffic with load balancing for maximum scalability and high service availability.

Outbound SIP trunk

A highly scalable and flexible SIP trunking solution for cost-efficient calling with the highest level of audio quality using Five By Five local and global VoIP termination routes.

Emergency Calling

Five By Five numbers routed to the relevant Public Safety Answering Point (PSAP) for full service compliance.

Cloud Fax Services

Fax messages to selected numbers or to email, delivered via T.38 or G.711u protocols.

Phone Number portability globally

Wide Porting coverage for the seamless migration of your numbers to Five By Five free of charge.

Call Forwarding

A wide range of voice call forwarding options including SIP, PSTN, H.323 and IAX.

SMS Delivery

Extensive SMS delivery options including SMS to email, SMS to HTTP and SMPP.

Phone Numbers

Toll Free Phone Numbers

An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.

Voice and SMS trunks

Inbound SMS trunk

A reliable Inbound (E-mail, HTTP, SMPP ESME, SMPP SMSC) SMS trunk service for receiving messages sent to local, national and mobile SMS-enabled FBFs.

Capacity

Metered Capacity

Cost-effective solution for unpredictable call volumes with a fixed per minute rate globally.

Emergency, Porting, Forwarding, Fax

Emergency Calling

Five By Five numbers routed to the relevant Public Safety Answering Point (PSAP) for full service compliance.

Discover how to grow your business with Five By Five use cases

Voice use cases

Phone number as a value added service

Call tracking

Number masking services

Call centers

Contact centers

Voice for IoT

FBFs for conference calling

Voice use cases

Phone number as a value added service

Call tracking

Number masking services

Call centers

Contact centers

Voice for IoT

FBFs for conference calling

SMS use cases

SMS customer support

SMS marketing

SMS notifications

SMS verifications

SMS surveys

SMS use cases

SMS customer support

SMS marketing

SMS notifications

SMS verifications

SMS surveys

Business telephony

Call center & queues

Conference calling

Cloud IVR

Business phone systems

Global presence

PSTN replacement

Business telephony

Call center & queues

Conference calling

Cloud IVR

Business phone systems

Global presence

PSTN replacement

Are you ready to
remove the boundaries?

Create or expand your cloud telecommunications

Email: office@fivebyfive.biz

Phone: +1 (302) 459-6442

Remove the boundaries

Why do customers choose Five by Five?

Compliant two-way SIP Trunking, everywhere

Designed for carriers, excellent for enterprises

Profitable business outcomes

Quality services for enterprise communications

Relationships are our foundation

Our Services

Phone Numbers

Local Phone Numbers

National Phone Numbers

Mobile Phone Numbers

Toll Free Phone Numbers

Shared Cost Numbers

Universal International Freephone Numbers

Voice and SMS trunks

Inbound SMS trunk

Outbound SMS trunk

Inbound SIP trunk

Outbound SIP trunk

Capacity

Metered Capacity

Flat-rate Capacity

Hybrid Capacity

Emergency, Porting, Forwarding, Fax

Emergency Calling

Cloud Fax Services

Phone Number portability globally

Call Forwarding

SMS Delivery

Discover how to grow your business with Five By Five use cases

Voice use cases

Phone number as a value added service

Voice use cases

Phone number as a value added service

SMS use cases

SMS customer support

SMS use cases

SMS customer support

Business telephony

Call center & queues

Business telephony

Call center & queues

Are you ready to remove the boundaries?

Are you ready to
remove the boundaries?