**R11**
R11(config)#license boot module c2900 technology-package uck9 // yes, 저장후 리로드

R11(config)#telephony-service 
R11(config-telephony)#max-ephones 1
R11(config-telephony)#max-dn 1
**R11(config-telephony)#ip source-address 10.0.1.254 port 2000**
R11(config-telephony)#auto assign 1 to 1
R11(config-telephony)#ephone-dn 1
R11(config-ephone-dn)#number 2001

R11(config-telephony)#max-ephones 2
R11(config-telephony)#max-dn 2
R11(config-telephony)#auto assign 2 to 2
R11(config-telephony)#ephone-dn 2
R11(config-ephone-dn)#number 2002

• 하나씩 설정 (포트 연결 끊고)

Dial-Peer

R11
R11(config)#dial-peer voice 1 voip
R11(config-dial-peer)#destination-pattern 1001
R11(config-dial-peer)#session target ipv4:90.0.0.2

R11(config-dial-peer)#dial-peer voice 2 voip
R11(config-dial-peer)#destination-pattern 1002
R11(config-dial-peer)#session target ipv4:90.0.0.2

R11(config-dial-peer)#dial-peer voice 3 voip
R11(config-dial-peer)#destination-pattern 1003
R11(config-dial-peer)#session target ipv4:90.0.0.2

R11(config-dial-peer)#dial-peer voice 4 voip
R11(config-dial-peer)#destination-pattern 1004
R11(config-dial-peer)#session target ipv4:90.0.0.2

R11(config-dial-peer)#dial-peer voice 4 voip
R11(config-dial-peer)#destination-pattern 1004
R11(config-dial-peer)#session target ipv4:90.0.0.2

R11(config-dial-peer)#dial-peer voice 5 voip
R11(config-dial-peer)#destination-pattern 1005
R11(config-dial-peer)#session target ipv4:90.0.0.2

R10
R10(config)#dial-peer voice 1 voip
R10(config-dial-peer)#destination-pattern 2001
R10(config-dial-peer)#session target ipv4:10.10.0.1

R10(config-dial-peer)#dial-peer voice 2 voip
R10(config-dial-peer)#destination-pattern 2002
R10(config-dial-peer)#session target ipv4:10.10.0.1