![]() ![]() ![]() To disable SIP ALG: From Wan Setup Menu, NAT Filtering, uncheck the box next to "Disable SIP ALG" Models: WGR614v9 Wireless-G Router, DGN2000 Wireless-N ADSL2+ Modem Router If for example the private IP appears in the "Call-ID" it replaces it too (that it's completely unnecessary). It replaces the private IP appearing in SIP headers with the public IP using a dumb text replacement. ![]() Models: ST530 v6 (firmware >= 5.4.0.13) comes with SIP ALG enabled by default. Must disable NAT and put the device in bridge mode.No Solution at this time (SIP ALG, called SIP Pass Through, can not be disabled).No Registeration possible behind NAT as the device changes Call-ID and causes the responses to be discarded by SIP clients/ATAs.Models: SBG6580 (SurfBoard Extreme Wireless Cable Modem Gateway) The following is a list containing SIP ALG router models, their issues and how to disable SIP ALG (enabled by default in most of the cases). We would suggest that you either replace this router with a compatible one or attempt to bridge it to another router. If possible we would recommend avoiding this router until Netgear makes it possible to disable the internal SIP ALG setting on the router to be compatible with voice-over-IP.Ĭomments: This router lacks the ability to disable SIP ALG and is not compatible with VoIP services.Ĭomments: Most SMC routers do not appear to be compatible with VoIP services. The router appears to work some of the time but lacks the ability to disable the SIP ALG which causes intermittent issues with phone service. This router causes issues related to storing configuration and failed firmware downloads with Aastra series phones. We recommend replacing this device with a compatible modem and router.Ĭomments: This router is not recommended for use with VoIP services. Other customers have found that bridging the device to a compatible router did not result in a workaround. There is no method to disable the internal SIP ALG on device. Recommendation:Replace Device or Replace FirmwareĬomments:This router is not recommended for use with VoIP services.Ĭomments: This router is not compatible with VoIP services. Linksys WRT54G, WRT54GX, WRT54GL, WRT54GS We cannot support this router in any way and it must be replaced before using our service.Ĭomments: This router is not compatible with VoIP.Ĭomments:This router is not compatible with VoIP applications as it lacks an option to disable the internal SIP ALG which interferes with IP Telephones. The Router would not allow SIP packets to pass through to our SIP Proxies in any form.Ĭomments: This router is not compatible with VoIP services. It has no SIP ALG or SIP Fixup options and does not work with polycom, aastra or cisco phones.Ĭomments: After testing this device using firmware version 1.0.1.4 we have determined that it will not work at this time. Drops calls after 20 seconds.Ĭomments: This router is not SIP Compatible. Posted by, Last modified by Daniel Diaz on 04:14 PMĬomments: This router is not SIP Compatible. ![]()
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