SIP Forwarding for Global Voice

Easily connect AVOXI’s inventory of hard-to-get numbers and least cost routing directly into your existing phone system or PBX platform.

Upgrade Your VoIP Origination Service with SIP Forwarding

Change is hard. But you don't need to compromise call quality or voice coverage just because you already have an established PBX, Contact Center or Unified Communications provider. We help you stay connected while still benefiting from AVOXI’s voice service and SIP origination across 5 continents. Port existing phone numbers or add new VoIP phone lines for customers across the globe with AVOXI’s SIP integrations.

Take advantage of AVOXI’s unparalleled global voice coverage and exceptional call quality without changing communications platforms. Whether you're locked into an existing contract with a cloud communication provider or require on-site infrastructure, SIP Forwarding provides a straightforward and simple solution for companies to utilize AVOXI voice service from within any SIP-enabled platform.

sip forwarding

Get the Most Reliable Voice Service No Matter Where Your Calls Take Place

Don't compromise on call quality or high VoIP call rates. Establish a local presence for customers across the globe with AVOXI’s SIP integrations.

VoIP Origination Covering 170+ countries.
Couple AVOXI's robust inventory of hard-to-get virtual telephone numbers with your existing communication service provider and start taking calls anywhere, fast. AVOXI's SIP integrations give international businesses the local presence they need to easily connect with their customers.


Superior Call Quality and Worldwide Reliability.
Benefit from AVOXI’s established network of Tier 1 carriers to ensure redundant and high quality voice call routing. AVOXI’s long tenure of relationships with carriers in local markets means you are getting the best possible rates on VoIP origination. Our proactive support team monitors voice connectivity and is here to support you 24/7/365!


Easy to Use Enterprise Voice Platform.
AVOXI offers feature-rich voice technology with unparalleled call quality and reliability. Centralize, configure and analyze all of your phone numbers from a single platform. Easily expand and route new VoIP number services via the AVOXI platform in a few clicks.


Learn More About SIP Forwarding and VoIP Origination with AVOXI

AVOXI makes it unbelievably easy to set up SIP forwarding with your existing PBX system! No contracts, no startup fees, and no cost to port your existing phone numbers. Check out our integrations marketplace to learn more!

Manage All Your Numbers from One Intuitive Platform

Upgrade your VoIP origination rates without changing numbers

  • Set up new numbers from 170+ countries in just a few minutes
  • Port existing numbers from 100+ countries, no downtime or fees
  • Includes call routing, voicemail, advanced analytics and much more
  • Get a full month of free calling with every business number you port to AVOXI's VoIP network! Limited time offer

Common Questions About SIP Forwarding

Do I need an AVOXI license to utilize this feature?

An AVOXI license is not required for SIP forwarding. Simply purchase a virtual number from AVOXI and start forwarding via our online platform.

How difficult is it to set-up my SIP voice integration?

Set up is simple. For business admins, follow these simple steps to begin forwarding your AVOXI voice calls via SIP.

Can I use my AVOXI Voice number for both inbound and outbound calls?

Yes. AVOXI offers two way voice services across many countries around the world. Some countries are local caller ID capable for incountry services and others are appropriate for international caller ID service.

Is it more expensive to forward my calls to SIP than to an external number?

No, SIP Forwarding provides a more affordable solution for call forwarding because you aren’t charged the typical termination rates related to PSTN or Mobile termination.