In RV042 SIP ALG option is available in hidden page.Use the below link to access the hidden page of RV042 to disable the SIP ALG option.
https://192.168.1.1/f_general_hidden.htm
some client complain: no audio after return from moh

Netgear r7000 – need upgrade firmware to latest version, ALG disable


DHCP lease time: 120 mins ( tp-link ), maybe relevant “voip phone failed to get IP from router)
TP-link:
