R2511-HP MSR Router Series Voice Configuration Guide(V5)

138
The device only supports encapsulating QSIG messages within SIP messages.
For configuration of basic QSIG call supported by the SIP-T protocol, see "Configuring digital voice
subscriber lines."
VRF-aware SIP
VRF-aware SIP enables telephones to call each other in an L3VPN.
As shown in Figure 41, t
wo VPNs Voice and Data exist on the network. The two VPNs cannot access each
other. After you specify the Voice VPN instance on PE 1, Telephone 3 can make SIP calls with telephones
1 and 2 in the VPN Voice.
Figure 41 VRF-aware SIP
SIP configuration task list
Complete the following tasks to configure SIP:
Task Remarks
Configuring SIP
UA registration
Configuring SIP authentication information Optional.
Configuring registrar information for a SIP UA Required.
Configuring proxy server information for a SIP UA Optional.
Configuring registration timers Optional.
Configuring call failure-triggered re-registration Optional.
Configuring fuzzy telephone number registration Optional.
Enabling SIP registration function Required.
Configuring SIP server keepalive and backup Optional.
Configuring SIP routing Required.
Configuring user information Optional.