Configuring Srtp For Sip Calls - HP FlexNetwork MSR Series Configuration Manual

<RouterB> system-view
[RouterB] interface ethernet 2/1
[RouterB-Ethernet2/1] ip address 192.168.2.2 255.255.255.0
[RouterB-Ethernet2/1] quit
# Reference the created SSL server and client policies for SIP. Specify TLS as the transport
layer protocol for both outgoing and incoming SIP calls, and specify URL scheme for the
outgoing SIP call as SIPS.
[RouterB] voice-setup
[RouterB-voice] sip
[RouterB-voice-sip] crypto ssl-server-policy server
[RouterB-voice-sip] crypto ssl-client-policy client
[RouterB-voice-sip] listen transport tls
[RouterB-voice-sip] url sips
[RouterB-voice-sip] transport tls
[RouterB-voice-sip] quit
# Configure voice entities.
[RouterB-voice] dial-program
[RouterB-voice-dial] entity 2222 pots
[RouterB-voice-dial-entity2222] line 1/0
[RouterB-voice-dial-entity2222] match-template 2222
[RouterB-voice-dial] entity 1111 voip
[RouterB-voice-dial-entity1111] address sip ip 192.168.2.1 port 5061
[RouterB-voice-dial-entity1111] match-template 111
Configuration verification
SIP calls between the two parties use the SIPS URL scheme.

Configuring SRTP for SIP calls

Network requriements
Two routers Router A and Router B work as SIP UAs. It is required that SIP calls use the SRTP
protocol to protect call conversations.
Figure 50 Network diagram
Configuration procedure
1. Configure Router A:
# Configure the IP address of the Ethernet interface.
<RouterA> system-view
[RouterA] interface ethernet 2/1
[RouterA-Ethernet2/1] ip address 192.168.2.1 255.255.255.0
[RouterA-Ethernet2/1] quit
173