Attracted by the concept of dial plan and the passion of writing, I launched a challenge to write a workbook with practical scenarios covering in details this concept, the result is a workbook with 30 practice labs treating many components such route patt...
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Understanding Media Negociation in Interworking / Traversal Call : SIP <-> H323 through Expressway. Inside SDP and H245. Both signaling and Media goes through the Expressway so the IP address of expressway is offered to both SIP and H.323 endpoin...
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Sometimes you troubleshoot the phone presence status issue, or you are wondering how the status is retrieved by IMP, the best place to start is to look at the SIP Publish message sent by the CUCM to IMP, Capture the SIP Publish message using wireshark, in...
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The translation pattern is the most important tool in the Call Routing Process on Cisco Unified Communication manager.By definition a Translation Pattern is used to match the DIALED NUMBER (CALLED). After a match is found we perform a digits manipulation....
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Sometimes, you want to populate the Self Service User ID and the Primary Extension + the Conference Now Meeting Number automatically with the IpPhone or Telephone Number LDAP Attribute used in the LDAP Directory configuration page when importing AD users ...
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