Firewall rules, NAT traversal, and network requirements.
10 articles
The exact DHCP option 160 value that points Yealink, Grandstream and Poly desk phones at the SIPSTACK provisioning server, with entry steps for Windows Server, pfSense, ISC dhcpd, MikroTik and FortiGate.
Configure QoS, VLANs, and firewall rules on Cisco Meraki MX firewalls to improve VoIP call quality with SIPSTACK.
A reference guide to routers and modems tested for compatibility with SIPSTACK VoIP services, including configuration recommendations and known issues.
How to resolve intermittent SIP registration loss and disconnections on the Algo 8186 SIP paging adapter.
Fix one-way or no audio on incoming calls caused by NAT traversal issues on WatchGuard Firebox firewalls.
Required ports, IP whitelisting, and firewall rules for reliable SIPSTACK VoIP service.
Step-by-step guide to configuring DHCP Option 160 on a FortiGate firewall for automatic IP phone provisioning.
Step-by-step guide to disabling SIP ALG on FortiGate firewalls to prevent VoIP call quality issues.
Configure QoS on a FortiGate firewall to prioritize VoIP/SIP traffic and ensure consistent call quality.
How to put an ISP-provided modem into bridge mode so a separate compatible router handles your network and VoIP devices.
