Cisco CP-7911G-CH1 Administration Guide - Page 227
DETAILED STEPS, Verifying the Configuration, show sip-ua status registrar, show voice register global
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Configuring Secure SRST for SCCP and SIP How to Configure Secure Unified SRST DETAILED STEPS Command or Action Step 1 sip-ua Purpose Enters SIP user-agent configuration mode. Step 2 Step 3 Step 4 Step 5 Example: Router(config)# sip-ua registrar ipv4:destination-address expires seconds Example: Router(config-sip-ua)# registrar ipv4:192.168.2.10 expires 3600 Enables the gateway to register E.164 telephone numbers with primary and secondary external SIP registrars. destination-address is the IP address of the primary SIP registrar server. xfer target dial-peer Specifies that SRST should use the dial-peer as a transfer target instead of what is in the message body. Example: Router(config-sip-ua)# xfer target dial-peer crypto signaling default trustpoint string [strict-cipher] Example: Router(config-sip-ua)# crypto signaling default trustpoint 3745-SRST strict-cipher Identifies the trustpoint string keyword and argument used during the TLS handshake. The trustpoint string keyword and argument refer to the gateway's certificate generated as part of the enrollment process, using Cisco IOS public-key infrastructure (PKI) commands. The strict-cipher keyword restricts support to TLS RSA encryption with the Advanced Encryption Standard-128 (AES-128) cipher-block-chaining (CBC) Secure Hash Algorithm (SHA) (TLS_RSA_WITH_AES_128_CBC_SHA) cipher suite. To configure device-default mode, omit the strict-cipher keyword. end Ends the current configuration session and returns to privileged EXEC mode. Example: Router(config-sip-ua)# end Verifying the Configuration The following examples show a sample configuration displayed by the show sip-ua status registrar command and the show voice register global command. The show sip-ua status registrar command in privileged EXEC mode displays all SIP endpoints that are currently registered with the contact address. Router# show sip-ua status registrar Line destination expires(sec) contact transport call-id peer 3029991 192.168.2.108 388 192.168.2.108 TLS [email protected] 40004 3029993 192.168.2.103 382 192.168.2.103 TCP [email protected] 40011 OL-13143-04 Cisco Unified SCCP and SIP SRST System Administrator Guide 227