Two specific policies must be put in place on your network's firewall to ensure you receive all audio on Flowroute calls. SIP signaling (call control) Allow UDP and TCP traffic over port 5060 from the following server IP addresses: NOTE: If your system has issues connecting over port 5060 , you can use 5160 as an alternate SIP port. Point of Presence (PoP) SIP Proxy IP Range UNITED STATES US-West-OR us-west-or.sip.flowroute.com 34.210.91.112/28 US-East-VA us-east-va.sip.flowroute.com 34.226.36.32/28 ASIA PACIFIC AP-East-HK ap-east-hk.sip.flowroute.com 16.163.86.112/30 AP-Southeast-SIN ap-southeast-sin.sip.flowroute.com 3.0.5.12/30 EMEA EU-West-LDN eu-west-ldn.sip.flowroute.com 3.8.37.20/30 EU-Central-FRA eu-central-fra.sip.flowroute …

… rtp.conf from 10000-20000 down to 19000-20000 . This reduces the number of open ports on your system. Change the default ARI, AMP, and FOP passwords in the amportal.conf . It is ideal to lock-out the AMI port—the default is 5038 using IP Tables from anyone outside your network. NOTE: This file only exists on systems which have the FreePBX installed. Ensure that your Asterisk phone system uses strong passwords and that no blank password is set as a default password. You can generate strong passwords from any of the following sites: www.strongpasswordgenerator.com Norton Password Generator Gibson Research Corporation Use a Firewall to restrict traffic from and into your system. For example, this might be done using IP Tables. See IP Tables for information on using IP Tables. Review your system logs as well keep your system patched and up-to-date from application flaws.

On occasion, configured PBX systems may need to have internal configurations changed due to service updates. When a change occurs on an edge proxy (Point of Presence), there are a few details to consider to continue service uninterrupted. Resources: Edge Proxy information IPs of new Edge Proxies Access to local/remote PBX configurations Access to firewall configurations Access to the Flowroute Manage portal Checklist: Access the Flowroute Manage portal Navigate to Interconnection > Registration Make note off ALL displayed Point of Presence Options Review and change all IPs referencing the previous/current PoP details in the active firewall The PBX registered to Flowroute network will need to be reviewed for active PoP IPs/SRV On the DID page of the Manage Portal, there may be usage of inbound routes Review existing inbound routes for active PoP routing. If any routes reference a retired PoP, you will need to change it to …

… your audio stream. Direct Media allows us to offer competitive rates and great domestic and international connections for all of our customers, regardless of geographic location. IMPORTANT: Keep Direct Media in mind while configuring your SIP device's local network, as the only call data that passes through our servers directly is your SIP signaling traffic – mere kilobits of data that allow us to connect your call to a media gateway delivering the highest call quality available. To optimize your call audio, the Firewall Policies , NAT Configuration (Port Forwarding) , and Quality of Service (QoS) settings should allow and prioritize call audio (RTP media via UDP transport) from any source IP over your system's public media port range. NOTE: If you've used other VoIP Providers in the past that don't have Direct Media network architecture, you may find that you need new network settings when transitioning to Flowroute.

… manage your SIP connections for seamless communication, including: SIP Registrations – View and manage active registrations Inbound Routes – Configure call routing for your numbers IP Authentication – Secure your connections with approved IPs Points of Presence (POP) – Understand Flowroute’s global network Advanced Routing – Explore host-based and weighted routing options By mastering these settings, you’ll ensure a reliable and efficient SIP setup with Flowroute. Set Up Your Phone System You can find basic PBX and Firewall guides in the Configuration Guides section on the left. Set Up The Messaging API NOTE: You can only send/receive SMS/MMS using our Messaging API , this feature isn't available in Manage Portal. Please refer to these guidelines to get more information. Get Help Discover our Support Knowledge Base and learn how to build simple yet powerful voice and texting applications with the API Resources . Our Phone Support is available Monday through Friday …