# 1 sip:192.168.0.123:5060 0 0 duid=m2_server_1;weight=30
# 1 sip:192.168.0.124:5060 0 0 duid=m2_server_2;weight=30
# 1 sip:192.168.0.125:5060 0 0 duid=m2_server_3;weight=40