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Port Forwarding (NAT) Policies for Flowroute's Direct Audio

To ensure you receive all audio on your Flowroute calls, specific Port Forwar...
Home -> Configuration Guides

Chan_SIP and Chan_PJSIP

Let’s look at the differences between chan_sip and chan_pjsip closer and try ...
Home -> Configuration Guides

Configure an Inbound Route in FreePBX

To receive inbound calls on your FreePBX system when your Flowroute Direct In...
Home -> Configuration Guides

SIP Response Codes

This article contains a list of SIP codes that can help you diagnose problems.
Home -> Configuration Guides

Twilio SIP Gateway Inbound

Using Flowroute as your Inbound carrier with Twilio Programmable Voice featur...
Home -> Configuration Guides

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

Flowroute restricts a single user account to 24 simultaneous SIP registration...
Home -> Frequently Asked Questions

Port Order Status: Accepted

An Accepted status indicates that the service provider from whom you are movi...
Home -> Porting

Port Order Status: Rejection Messages

Port orders are rejected when they require customer action either by Flowrout...
Home -> Porting

Port Your Telephone Number to Flowroute

We are thrilled you're trusting Flowroute for your VoIP carrier services. Thi...
Home -> Porting

Port Order Status: Complete

Congratulations! A Complete status means that your phone numbers successful...
Home -> Porting

SIP ALG (Application Level Gateway)

Application-level gateway (ALG) (https://en.wikipedia.org/wiki/Application-le...
Home -> Configuration Guides

Port Order Status Rejection Messages: Common post-submission rejections

LSPs (Losing Service Providers) might reject a port order for many reasons. F...
Home -> Porting

Twilio SIP Gateway Outbound

Using Flowroute as your Outbound carrier with Twilio Programmable Voice featu...
Home -> Configuration Guides

Port Order Status: Submitted/Coordinating with the LSP

The following describes the submission process from Flowroute to your LSP (Lo...
Home -> Porting

Port Order Status: Pending

Pending is the initial status of your port order from the time you start the ...
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Port Your Telephone Number to a New Provider

Porting out your phone number is the process of migrating any of your phone n...
Home -> Porting

Port Order Status: Overview

This article describes Flowroute's Port Order process. The port order process...
Home -> Porting

Port Order Status: Processing

During the processing stage, Flowroute performs a series of checks to ensure ...
Home -> Porting

Perform a packet capture/TCP dump

Have you ever wanted to check out your signaling? Want to try and do some per...
Home -> Configuration Guides

Asterisk PBX Security

As attacks become more sophisticated, it is always good to make sure that you...
Home -> Configuration Guides

3CX rinstance configuration

3CX phone system now expects all providers to include the “rinstance” paramet...
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Port Order Status Rejection Messages: Common pre-submission rejections

During validation of your port order request, Flowroute might run into any of...
Home -> Porting

Set Up IP-based Authentication for Outbound Calls

If your phone system has a Static IP address[1] (#note1), we recommend using ...
Home -> Configuration Guides

What dialing format should I use when sending calls?

Flowroute uses the e.164 format, which starts requiring 11 digits for domesti...
Home -> Best Calling Practices

Softphone configuration guide

The described configuration is generic for most Zoiper VoIP softphone versions.
Home -> Configuration Guides

Firewall requirements for direct media delivery

Two specific policies must be put in place on your network's firewall to ensu...
Home -> Configuration Guides

Custom Tags in CDR Reports

The custom tag field on Call Detail Records (CDRs) is populated from the opti...
Home -> General

Washington PoP decommission

Washington (WA) Point of Presence is being decommissioned on Oct 7, 2021 - at...
Home -> Customer Communication Archive

Interconnection with Flowroute PoPs

As part of our ongoing efforts to deliver reliable and high-quality voice com...
Home -> Configuration Guides

Required Documentation for Porting Telephone Numbers

Reliable documentation verifying active service on your porting telephone num...
Home -> Porting