Disable the DHCP service for LAN , then the second router should be in bridge mode. Connect your phone to it is LAN port (not the WAN port), it should be able to get IP from the first router where the dhcpd is still running.
-0ldroot(superuser1);
2019-1-9(#11874078@0)+1
副路由器应该已经在桥接模式了,因为其它电脑可以通过副路由器上网。IP电话通过网线接到了副路由器的LAN口,但是它一直在obtaining IP address。很久很久时间了,一直在设法获得中。
-starrystarrynight(StarryNight);
2019-1-9(#11874104@0)