Cisco CP-7911G-CH1 Administration Guide - Page 156
Configuring Trunk Access Codes, SUMMARY STEPS, access-code, call-manager-fallback, e&m
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How to Configure Cisco Unified SCCP SRST Configuring Call Handling ! dial-peer voice 25 pots destination-pattern 9.T port 1/0/0 application transfer_app ! dial-peer voice 29 voip destination-pattern 4... session-target ipv4:10.1.10.1 application transfer_app Configuring Trunk Access Codes Note Configure trunk access codes only if your normal network dial-plan configuration prevents you from configuring permanent POTS voice dial peers to provide trunk access for use during fallback. If you already have local PSTN ports configured with the appropriate access codes provided by dial peers (for example, dial 9 to select an FXO PSTN line), this configuration is not needed. Trunk access codes provide IP phones with access to the PSTN during Cisco Unified CM fallback by creating POTS voice dial peers that are active during Cisco Unified CM fallback only. These temporary dial peers, which can be matched to voice ports (BRI, E&M, FXO, and PRI), allow Cisco Unified IP Phones access to trunk lines during Cisco Unified CM mode. When Cisco Unified SRST is active, all PSTN interfaces of the same type are treated as equivalent, and any port may be selected to place the outgoing PSTN call. Trunk access codes are created using the access-code command. SUMMARY STEPS 1. call-manager-fallback 2. access-code {{fxo | e&m} dial-string | {bri | pri} dial-string [direct-inward-dial]} 3. exit 156 Cisco Unified SCCP and SIP SRST System Administrator Guide OL-13143-04
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