1. 시나리오
시드니(SYD) 와 멜버른(MEL) 에 작은 오피스가 있으며, 각 오피스에는 2명의 스텝만 일을 하고 있는 상황이다. 인원이 많지 않기 때문에 CUCM보다는 Cisco CME를 이용해서 VOIP 환경을 구축해보자.
Voice 통신에서 사용되는 프로토콜은 SCCP, H.323, RTP 이다.
- SCCP : voip 폰과 CME 사이에서 전화기의 등록이나 call 에 대한 정보 교환을 위한 프로토콜
- H.323 : CME 와 CME 사이에서 call routing 시에 사용되는 프로토콜
- RTP : 음성 데이터를 전송하는 프로토콜
1. Telephony-service
voip 폰을 CME에 등록하기 위해서는 telephony-service 이용하면된다. telephony-service 는 2가지 모드를 지원하는데 setup모드 와 수동 모드이다.
1.1 telephony-service setup : 정해진 질문에 응답하는 형식으로 voip 폰을 설정한다.
CME1(config)#telephony-service setup
--- Cisco IOS Telephony Services Setup ---
Do you want to setup DHCP service for your IP Phones? [yes/no]: no
Do you want to start telephony-service setup? [yes/no]: yes
Configuring Cisco IOS Telephony Services :
Enter the IP source address for Cisco IOS Telephony Services :10.10.0.1 <== CME 주소
Enter the Skinny Port for Cisco IOS Telephony Services : [2000]:
How many IP phones do you want to configure : [0]: 2
Do you want dual-line extensions assigned to phones? [yes/no]: no
What Language do you want on IP phones :
0 English
1 French
2 German
3 Russian
4 Spanish
5 Italian
6 Dutch
7 Norwegian
8 Portuguese
9 Danish
10 Swedish
11 Japanese
[0]: 0
Which Call Progress tone set do you want on IP phones :
0 United States
1 France
2 Germany
3 Russia
4 Spain
5 Italy
6 Netherlands
7 Norway
8 Portugal
9 UK
10 Denmark
11 Switzerland
12 Sweden
13 Austria
14 Canada
15 Japan
[0]: 13
What is the first extension number you want to configure : 1001 <== 1001 부터 1씩 증가하며 번호 부여
Do you have Direct-Inward-Dial service for all your phones? [yes/no]: no
Do you want to forward calls to a voice message service? [yes/no]: no
Do you wish to change any of the above information? [yes/no]: no
CNF-FILES: Clock is not set or synchronized, retaining old versionStamps
---- Setup completed config ---
CME1(config)#
1.2 telephony-service 수동 모드
! 기본 설정
telephony-service
max-ephones 2
max-dn 2
ip source-address 10.20.0.1 port 2000
max-conferences 8 gain -6
transfer-system full-consult
!
이렇게 설정하고 나며 같은 CME 에 등록된 voip 폰들은 서로 통화가 이뤄지지만 다른 CME의 폰에 전화를 걸수 없다. 이를 해결하기 위해서 dial-peer 설정이 필요하다.
2. dial-peer 설정
!
dial-peer voice 1 voip
destination-pattern 10..
session target ipv4:172.16.1.1
!
3. Cisco IP Communicator 화면 설정
4. Sydney 및 Melbourn 의 설정 완료된 모습
- Sydney
- Melbourne
5. CME and CIPC configurations
- CME1
CME1#show run
Building configuration...
Current configuration : 1824 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname CME1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
resource policy
!
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
ip tcp synwait-time 5
!
!
!
!
no ip domain lookup
!
!
!
!
interface FastEthernet0/0
ip address 10.10.0.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0
ip address 172.16.1.1 255.255.255.0
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
ip route 0.0.0.0 0.0.0.0 172.16.1.2
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
!
!
!
control-plane
!
!
!
!
dial-peer voice 1 voip
destination-pattern 20..
session target ipv4:172.16.1.2
!
!
!
telephony-service
max-ephones 2
max-dn 2
ip source-address 10.10.0.1 port 2000
auto assign 1 to 2
network-locale AT
network-locale 1 AT
network-locale 2 AT
network-locale 3 AT
network-locale 4 AT
max-conferences 8 gain -6
transfer-system full-consult
create cnf-files version-stamp Jan 01 2002 00:00:00
!
!
ephone-dn 1
number 1001
label Brian
description SYD_Brian
name Brian
!
!
ephone-dn 2
number 1002
label Nick
description SYD_Nick
name Nick
!
!
ephone 1
no multicast-moh
description Brian_IPphone
mac-address 000C.29B6.B722
speed-dial 5 1002
speed-dial 6 2001
speed-dial 7 2002
type CIPC
button 1:1
!
!
!
ephone 2
no multicast-moh
mac-address 000C.29B6.B721
speed-dial 5 1001
speed-dial 6 2001
speed-dial 7 2002
type CIPC
button 1:2
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
CME1#
- CME2 configuration
CME2#show run
Building configuration...
Current configuration : 1636 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname CME2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
resource policy
!
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
ip tcp synwait-time 5
!
!
!
!
no ip domain lookup
!
!
!
!
interface FastEthernet0/0
ip address 10.20.0.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0
ip address 172.16.1.2 255.255.255.0
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
ip route 0.0.0.0 0.0.0.0 172.16.1.1
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
!
!
!
control-plane
!
!
!
dial-peer voice 1 voip
destination-pattern 10..
session target ipv4:172.16.1.1
!
!
!
telephony-service
max-ephones 2
max-dn 2
ip source-address 10.20.0.1 port 2000
max-conferences 8 gain -6
transfer-system full-consult
!
!
ephone-dn 1
number 2001
label Ruby
description MEL_RUBY
name Ruby
!
!
ephone-dn 2
number 2002
label Andy
description MEL_ANDY
name Andy
!
!
ephone 1
device-security-mode none
description MEL_RUBY
mac-address 0200.4C4F.4F51
speed-dial 5 2002
speed-dial 6 1001
speed-dial 7 1002
button 1:1
!
!
!
ephone 2
device-security-mode none
mac-address 0200.4C4F.4F52
speed-dial 5 2001
speed-dial 6 1001
speed-dial 7 1002
button 1:2
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
CME2#
- CIPC 설정
