Amped

Model: Cisco R10000

    • Disable Quality Of Service (Uncheck  Enable Quality of Service)

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Cisco / Linksys

Model: Cisco E2500, E3200, E3500, E4200,  E4500, EA6900, E900 & WRT610N

    • Disable IPV4 & IPV6 SPI Firewall Protection
    • Disable SIP ALG

Model: Linksys EA6350, EA6900, EA7300 & EA7500

    • Disable SIP ALG – Under Router Settings, click Connectivity, then click the Administration tab.

    • Disable IPV4 & IPV6 SPI Firewall Protection – Under Router Settings, click Security, then click the Firewall tab.

Model: RV042, RV082

    • Disable Load Balancing
    • Disable SIP Helper

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Netgear

Model: WNR1000 v2,  WNR2000 v2  and WNR3500L v1

    • Check Disable Port Scan and DOS Protection.
    • Check Disable SIP ALG.

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Netopia

Model: 3000

    • Disable SIP ALG

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Siemens

Model: Speed Stream 4200

    • Disable SIP ALG

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Western Digital

Model: MyNet N600

    • Disable SIP ALG

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ZyXEL

Model: P-660HW, P8+3H, PK5001Z

    • Disable SIP ALG

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