Router Configuration Guides
Rogers Hitron CGN3 - Disabling SIP ALG
Rogers Hitron CGN3 - Disabling SIP ALG On routers, disabling SIP ALG is very important. If you have a Hitron, this setting comes enabled by default and will need to be turned off. What is SIP ALG and Symptoms? SIP ALG inspects and manipulates VoIP ...
Fortigate/Fortinet Router Configuration
Current Status Compatible after Changes Suggestions Disable SIP ALG Comments In the CLI of the fortigate type the following: - config system settings - set sip-helper disable - set sip-nat-trace disable Reboot the device In the CLI type the ...
Hitron CGN3 (Rogers Advanced WiFi Modem)
Current Status Not Supported Suggestions Replace Device or Bridge it to a compatible router. Comments The router feature of this device lacks the ability to disable SIP ALG and is not compatible with VoIP. We recommend that it be replaced with a ...
Hotbrick Routers
Current Status Untested Suggestions Untested Comments These routers have not yet been tested for compatibility with VoIP services. We recommend testing the router before deploying in a production environment. If the router has SIP ALG or SIP ...
Juniper – Netscreen
Current Status Compatible after Changes Suggestions Disable SIP ALG Comments You must disable the SIP ALG on the Netscreen router. Navigate to the ‘Configuration’ page and choose ‘Advanced’. Then choose ALG and un-check the SIP check box. **All ...
Linksys BEFSR41
Current Status Untested Suggestions Untested Comments This router has not been tested for compatibility with VoIP services. **All routers and firewalls need to have the correct ports forwarded and Whitelisting configured for VOIP service, please ...
Linksys RVS4000
Current Status Untested Suggestions Untested Comments We have not yet tested this router in our labs, but due to its similarity to the RV series routers (which are recommended) we believe it may be compatible.However, the SIP ALG setting on this ...
Linksys WRT110N
Current Status Untested Suggestions Untested Comments This router has not been tested with VoIP services to determine compatibility. We recommend testing it prior to deploying it in a production environment. **All routers and firewalls need to have ...
Linksys WRT310N
Current Status Untested Suggestions Untested Comments This router has not been tested to determine compatibility with VoIP services. We recommend testing the router first before deploying it in a production environment. **All routers and firewalls ...
Linksys WRT350N
Current Status Untested Suggestions Disable SIP ALG Comments Firmware release 1.03.7 on Sept 14, 2007 introduced an internal change that disables SIP ALG within the software. SIP ALG interferes with VoIP services and we would suggest trying to ...
Linksys WRT54G, WRT54GX, WRT54GL, WRT54GS
Current Status Not Supported Suggestions Replace Device or Replace Firmware Comments This router is not recommended for use with VoIP services using the stock firmware from Linksys. This model router is known to damage and modify SIP packets in such ...
Linksys WRT610N
Current Status Untested Suggestions Disable SIP ALG Comments This router has not been tested for VoIP compatibility. If this router has a SIP ALG setting we would suggest disabling it. **All routers and firewalls need to have the correct ports ...
Motorola Surfboard
Current Status Compatible after changes Suggestions Disable SIP ALG and ensure appropriate firmware is running Comments The following changes/checks are required: 1) Must be running firmware v3.3 or higher 2) Must have SIP ALG disabled. **All ...
Netgear FVG318
Current Status Compatible after Changes Suggestions Update firmware and disable SIP ALG Comments This router appears to work with VoIP services with the SIP ALG setting is disabled. The router does not work properly with VoIP with the SIP ALG setting ...
Netgear FVS318
Current Status Compatible after Changes. (Firmware V 3.0.7-34 and up) Suggestions Disable SIP ALG Comments Disable the SIP ALG under "Security">"Firewall">"Advanced". **All routers and firewalls need to have the correct ports forwarded and ...
Netgear WGR614
Current Status Not Supported Suggestions Replace Device Comments This router lacks the ability to disable SIP ALG and is not compatible with VoIP services. **All routers and firewalls need to have the correct ports forwarded and Whitelisting ...
Netgear WGT624
Current Status Not Supported Suggestions Replace Device Comments This router lacks the ability to disable SIP ALG and is not compatible with VoIP services. **All routers and firewalls need to have the correct ports forwarded and Whitelisting ...
Netgear WRN2000
Current Status Not Supported Suggestions Replace Device Comments This router lacks the ability to disable SIP ALG and is not compatible with VoIP services. **All routers and firewalls need to have the correct ports forwarded and Whitelisting ...
Netopia
Current Status Possibly compatible after changes Suggestions Disable SIP ALG or replace device Comments Netopia has SIP Passthrough “on” by default and will not work with VoIP services properly unless SIP ALG is disabled. (Or SIP ALG in newer models) ...
Siemens Speedstream
Current Status Compatible Suggestions Suitable for 1-3 Phones Comments There are no known issues with this router. This router has no QoS (Quality of Service) which is a drawback if you are using it in an environment where there are computers or ...
SMC 3100
Current Status Possibly compatible after changes Suggestions Bridge device to supported router Comments This router is not compatible with VoIP services unless it is bridged. We recommend bridging the router to alternative router so that it acts as a ...
SMC routers – general
Current Status Not Supported Suggestions Replace Device Comments Most SMC routers do not appear to be compatible with VoIP services. We would suggest that you either replace this router with a compatible one or attempt to bridge it to another router. ...
Sonicwall
Current Status Possibly compatible after changes Suggestions Firmware v5.8.1.12 or lower, Disable SIP ALG Comments Firmware v5.8.1.13 and higher contain a bug that causes issues with incoming calls on Sonicwall routers and firewalls. We recommend ...
Thompson Speedtouch ST-585
Current Status Untested Suggestions Untested Comments The internal SIP service needs to be disabled. You will need to use a telnet (port 23) client to connect to the ip address of this router using putty or another telnet client. The username and ...
Thompson TG-585
Current Status Not Supported Suggestions Replace Device Comments This router is not compatible with VoIP services. There is no method to disable the internal SIP ALG on device. Other customers have found that bridging the device to a compatible ...
Tomato Firmware Routers
Current Status Possibly compatible after changes Suggestions Adjust router settings Comments We have encountered a scenario in which a router running the Tomato firmware would only let one phone register at a time. We were able to resolve this ...
Trendnet Routers
Current Status Untested Suggestions Untested Comments This router has not been tested for compatibility with VoIP services. We recommend testing it extensively before using it in a production environment. **All routers and firewalls need to have ...
Ubiquiti
Current Status Compatible after Changes Suggestions Disable SIP ALG Comments General instructions to disable SIP ALG: Navigate the CLI menu as follows: System → Conntrack → Modules → SIP → Disable The next steps only apply to controller versions ...
Zxyel
Current Status Possibly compatible after changes Suggestions Disable SIP ALG or bridge device to router Comments This router is not compatible with VoIP services without modifications. We recommend either bridging the device to another router or ...
Cisco/Linksys WRT160N
Current Status Compatible Suggestions Suitable for 1-2 Phones Comments There are no known issues with this model router at present. The router does not offer QoS, but this may not be a major issue in offices with only one or two employees. We would ...
Cisco/Linksys WRT54G2
Current Status Compatible Suggestions Suitable for 1-2 phones Comments This router is compatible and suitable for 1-2 SIP phones. Appears to have problems with 3 or more SIP phones caused by NAT issues. Use DDWRT firmware instead in this case if ...
Cisco/Linksys WRVS4400N
Current Status Compatible as of last page update Comments This is an excellent router with all the features of the RV-series routers (above) that also offers Wireless-N connectivity and Gigabit Ethernet speeds. The router has four ports; if more are ...
D-Link DGL-4100
Current Status Untested Suggestions Disable SIP ALG Comments We suggest trying to disable SIP ALG by going into the router’s web interface and selecting Advanced -> Firewall -> Application Level Gateway and disabling (unchecking) the SIP checkbox. ...
D-Link DI-524
Current Status Untested Suggestions Untested Comments This router has not been tested for compatibility with VoIP services. We recommend testing the router before using in a production environment. **All routers and firewalls need to have the ...
D-Link DI-604UP
Current Status Untested Suggestions Untested Comments This router has not been tested for compatibility with VoIP services. We recommend testing the router before using in a production environment. **All routers and firewalls need to have the ...
D-Link DIR-615
Current Status Compatible after Changes, Hardware Revision B Only Suggestions Disable SIP ALG Comments This applies to Hardware Revision B only. Other hardware revisions are not compatible with VoIP as they do not have the disable SIP ALG option.This ...
D-Link DIR-625
Current Status Possibly Compatible after Changes Suggestions Disable SIP ALG Comments We recommend disabling SIP ALG through the DIR-625’s web interface. After the change, this router appears to be compatible and able to serve up to three or four ...
D-Link DIR-628
Current Status Untested Suggestions Disable SIP ALG Comments This router has not been tested for compatibility with VoIP services. If the router has an option to disable SIP ALG we would recommend disabling it. **All routers and firewalls need to ...
D-Link DIR-655
Current Status Untested Suggestions Disable SIP ALG Comments This router has known issues with VoIP services if SIP ALG is not disabled. We recommend disabling the SIP ALG setting on the router. This option is available within the firewall settings ...
D-Link DIR-825
Current Status Not Supported Suggestions Replace Device Comments This router is not compatible with VoIP. **All routers and firewalls need to have the correct ports forwarded and Whitelisting configured for VOIP service, please click here for more ...
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