Cisco 3600 Series Configuration Manual page 27

R12-e establish the WAN connection between the two offices. Because one POTS telephony device
is connected to Router RLB-2, it has also been configured for only one POTS peer and one VoIP
peer.
Note
the topology of this FXS-to-FXS connection example.
Figure 12
Dial peer 1
POTS
Configuration for Router RLB-1
In this example, only the calling end (Router RLB-1) is request RSVP. Figure 12 illustrates
FXS-to-FXS Connection Example
64 kbps
Voice port
Serial port
1/0/0
0/0
Router
RLB-1
hostname rlb-1
! Create voip dial peer 10
dial-peer voice 10 voip
! Define its associated telephone number and IP address
destination-pattern +4155554000
session target ipv4:40.0.0.1
! Request RSVP
req-qos guaranteed-delay
! Create pots dial peer 1
dial-peer voice 1 pots
! Define its associated telephone number and voice port
destination-pattern +4085554000
port 1/0/0
! Configure serial interface 0/0
interface Serial0/0
ip address 10.0.0.1 255.0.0.0
no ip mroute-cache
! Configure RTP header compression
ip rtp header-compression
ip rtp compression-connections 25
! Enable RSVP on this interface
ip rsvp bandwidth 48 48
fair-queue 64 256 36
Serial port
IP cloud
1/0 1/3
Router
128 kbps
RLB-w
Configuring Voice over IP for the Cisco 3600 Series VC-39
FXS-to-FXS Connection Using RSVP
Serial port
1/3 1/0
Router
64 kbps
R12-e
Serial port
1/0
Router
RLB-2
Voice port
1/0/0
Dial peer 2
POTS