HELP FILE

What routers are incompatible?

    See below for the known incompatible routers.

    Important: Any router that cannot disable SIP modifications (e.g., SIP ALG, SIP Helper, or any other SIP modifier) will not be compatible with desk phones.
    • Apple Airport Routers
    • Linksys WRT120N
    • Cisco RV Series (All)
    • Linksys WRT610
    • D-Link DIR-632
    • Linksys LRT224
    • Buffalo Routers (All)
    • Medialink MWN-WAPR150N
    • Comcast "Business Gateway" (SIP ALG is baked in)
    • Netgear CG3000DCR (Comcast)
    • Linksys BEFS-xxxxx (All)
    • Netgear FVS
    • Linksys BEFSR-xxxx (All)
    • Netgear MR814
    • Linksys EA series (All)
    • Netgear Nighthawks (All)
    • Linksys WRT54GL
    • Netgear WPN824
    • Linksys WRT54GS
    • Verizon FiOS Quantum Gateway AC1750 (SIP ALG is baked in)
    • Linksys WRT54GT
    • ZyXEL Router (All)
    • Linksys WRT54GX
    • ZyXEL ZyWALL Firewall (All)
    • Linksys WRT100
    Note: Home-grade routers from D-Link and Netgear are suitable for 1-4 users with minor setting adjustments. Modem/Router combo devices or DSL/Cable Gateways (typically supplied by your ISP) are suitable for 1-4 users, but are not recommended. Set these devices to Bridge Mode and use a separate router for optimal results.