PLEASE NOTE: We highly recommend consulting an IT firm or network professional when configuring advanced network settings or devices. If you do not have an IT professional, we recommend engaging Archway at 888-361-9995 for assistance.
For Quality of Service (QOS) rules on your router(s), please whitelist 18.104.22.168 for all TCP and UDP traffic.
VoIP Compatible Routers
NOTE: The routers listed here are known to work reliably with our services. However… given the constantly updated firmware and physical changes made by manufacturers and the nature of cloud-based services, The Kotter Group cannot control the final configuration of the hardware or your computer systems/networks, or promise that any given router will work with your system, or guarantee that our information is 100% up to date.
- Cisco ASA
Routers with Known or Possible Issues
- Modem/Gateway Combo’s from any cable provider
- Cisco RV and lower series
General Router Configuration
- Enable Consistent NAT
- Unblock TCP and UDP Outbound
- Check for latency spikes and other issues
- Check for packet loss
- Ensure you have sufficient bandwidth
- Set TCP/UDP timeouts to at least 300
- Enable SIP-ALG
- DPI SIP Traffic
- Use SIP Normalization
- Use Static NAT’s for phones
- Double NAT
- Use SPI