Cisco CP-7911G-CH1 Administration Guide - Page 110
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How to Configure the SIP Registrar Setting Up Cisco Unified IP Phones using SIP DETAILED STEPS Command or Action Step 1 enable Step 2 Example: Router> enable configure terminal Purpose Enables privileged EXEC mode. • Enter your password if prompted. Enters global configuration mode. Step 3 Step 4 Step 5 Step 6 Example: Router# configure terminal call fallback active (Optional) Enables a call request to fall back to alternate dial peers in case of network congestion. Example: Router(config)# call fallback active • This command is used if you want to monitor the proxy dial peer and fallback to the next preferred dial peer. For full information on the call fallback active command, see PSTN Fallback Feature. voice register pool tag Enters voice register pool configuration mode for SIP phones. Example: Router(config)# voice register pool 12 • Use this command to control which registrations are accepted or rejected by a Cisco Unified SIP SRST device. id {network address mask mask | ip address mask mask | mac address} Example: Router(config-register-pool)# id network 172.16.0.0 mask 255.255.0.0 Explicitly identifies a locally available individual or set of SIP IP phones. The keywords and arguments are defined as follows: • network address mask mask: The network address mask mask keyword/argument combination is used to accept SIP Register messages for the indicated phone numbers from any IP phone within the indicated IP subnet. • ip address mask mask: The ip address mask mask keyword/argument combination is used to identify an individual phone. • mac address: MAC address of a particular Cisco Unified IP Phone. preference preference-order Example: Router(config-register-pool)# preference 2 Sets the preference order for the VoIP dial peers to be created. Range is from 0 to 10. Default is 0, which is the highest preference. • The preference must be greater (lower priority) than the preference configured with the preference keyword in the proxy command. 110 Cisco Unified SCCP and SIP SRST System Administrator Guide OL-13143-04