/mcpHandle Voice Mail Pilot Change Voice Mail Pilot number is changed to 6000. Events, Requests, and Responses Action LineInitialize successful VoiceMailPilot = 5000 in LineDevCaps:DevSpecific Application does LineInitialize Application calls LineGetDevCaps, and checks Voice Mail Pilot field. LineDevSpecific (SLDSMT_LINE_PROPERTY_CHANGED) indicating Voice Mail Pilot is changed. Voice Mail Pilot number is changed to 6000. VoiceMailPilot = 6000 in LineDevCaps:DevSpecific Application calls LineGetDevCaps, and checks Voice Mail Pilot field. Variance: also applies to Line Label Check IP Address When Device Is Unregistered or Registered It is assumed that phone uses static IP address and is already registered. Events, Requests, and Responses Action Initializesuccessful RegisteredIPv4Address & RegisteredIPv6Address available in LineDevCaps:DevSpecific, and RegisteredIPAddressMode is IPAddress_IPv4_IPv6. Application calls LineInitialize Application calls LineGetDevCaps, and checks IP address field. Phone or line goes out of service. LineDevSpecific (SLDSMT_LINE_PROPERTY_CHANGED) indicating registered IP address information is changed. Reset device The same RegisteredIPv4Address & RegisteredIPv6Address available in LineDevCaps:DevSpecific, but RegisteredIPAddressMode is IPAddress_Unknown. Application calls LineGetDevCaps, and checks IP address field. Phone or line back in service. LineDevSpecific (SLDSMT_LINE_PROPERTY_CHANGED) indicating registered IP address information is changed. Device re-registered with CUCM. The same RegisteredIPv4Address and RegisteredIPv6Address available in LineDevCaps:DevSpecific, but RegisteredIPAddressMode is set to IPAddress_IPv4_IPv6. Application calls LineGetDevCaps, and checks IP address field. LineDevSpecific (SLDSMT_LINE_PROPERTY_CHANGED) indicating registered IP address is changed New IPAddress will be in devSpecific when application queries LineGetDevCap. . Variance: Phone uses DHCP and new IP address is obtained for registering. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 987 Message Sequence Charts Message Sequence Charts