Cisco CP-7911G-CH1 Administration Guide - Page 208
Prerequisites for Configuring Secure SCCP SRST, Verifying Phone Status and Registrations
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How to Configure Secure Unified SRST Configuring Secure SRST for SCCP and SIP Prerequisites for Configuring Secure SCCP SRST • Cisco Unified Communications Manager 4.1(2) or later must be installed and must support security mode (authenticate and encryption mode). Restrictions for Configuring Secure SCCP SRST Not Supported in Secure SCCP SRST Mode • Cisco Unified Communications Manager versions prior to 4.1(2) • Secure MoH; MoH stays active, but reverts to non-secure. • Secure transcoding or conferencing • Secure H.323 or SIP trunks • SIP phones interoperability. • Hot Standby Routing Protocol (HSRP) Supported Calls in Secure SCCP SRST Mode Only voice calls are supported in secure SCCP SRST mode. Specifically, the following voice calls are supported: • Basic call • Call transfer (consult and blind) • Call forward (busy, no-answer, all) • Shared line (IP phones) • Hold and resume Verifying Phone Status and Registrations To verify or troubleshoot Cisco Unified IP Phone status and registration, complete the following steps beginning in privileged EXEC mode. Note You can verify Phone Status and Registrations in secure SCCP SRST after you have performed the following steps: • Enabling Credentials Service on the Secure Cisco Unified SRST Router, page 193 • Adding an SRST Reference to Cisco Unified Communications Manager, page 203 • Enabling SRST Mode on the Secure Cisco Unified SRST Router, page 206 SUMMARY STEPS 1. show ephone 2. show ephone offhook 3. show voice call status 4. debug ephone register 5. debug ephone state 208 Cisco Unified SCCP and SIP SRST System Administrator Guide OL-13143-04
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