VoIP? Cisco Packet Tracer , , , , (STP , ).
, , VoIP (Voice over IP) . .
L3 ( 2811), L2 ( 2950) , 3 ( 7960). , :

. 2 IP GUI, :

, . , . Physical , :

. :

, :

. .
. , IP :
en conf t interface FastEthernet 0/0 ip address 192.168.0.1 255.255.255.0 no shutdown

DHCP IP :
en conf t ip dhcp pool voice network 192.168.0.0 255.255.255.0 default-router 192.168.0.1 exit

150. TFTP . :
en conf t ip dhcp pool voice option 150 ip 192.168.0.1

VoIP , :
- max-dn - DN (Directory Numbers). , ;
- max-ephones - . DN;
- ip source-address - () SCCP ;
- auto assign - ;
en conf t telephony-service max-dn 15 max-ephones 15 ip source-address 192.168.0.1 port 3100 auto assign 1 to 19

. (). VoIP ( VLAN):
en conf t interface range FastEthernet 0/1 - FastEthernet 0/3 switchport mode access switchport voice vlan 1 exit

. :
en conf t ephone-dn 1 number 11111 exit ephone-dn 2 number 2222 exit ephone-dn 3 number 3333 exit

. . 1111 2222:

VoIP Cisco :)