2012 archive

Exchange 2010 Blind Transfer

Scenario Edward executive admin answers the phone for Edna executive. This is setup in CUCM so that Edward has two line appearances. His x1000, and then Edna’s on his second line button x1001. When someone calls Edna both her and Edward’s phones ring. Occasionally Edward would answer Edna’s line and the caller would ask to …

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CUCM SQL Magic (well really just queries) – Part 2

So last time we figured out how to read from the CUCM DB directly using SQL statements. This time we’re going to start changing things. So like last time I recommend you take a backup and don’t do anything you think could end in creating a fissure in the space time continuum. We learned that DN 1234 had …

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Permanent link to this article: https://tripplehelix.net/cucm-sql-magic-well-really-just-queries-part-2/

CUCM SQL Magic (well really just queries) – Part 1

Have you ever been trying to do a mass edit of some sort in CUCM and realized that the field or way you wanted to do it wasn’t available to you via the Bulk Administration menu. Or more aptly like me today “Are you @#$@ing kidding me Cisco you are epic fail!”. Well then you’re …

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Permanent link to this article: https://tripplehelix.net/cucm-sql-magic-well-really-just-queries-part-1/

CCNP Voice Notes – Dials Peers and Matching OH MY!

Inbound Dial Peer Matching3 elements in call setup message: Called Number (DNIS) Calling Number (ANI) Voice Port – port the call is coming in on Plus 5 configurable dial peer attributes processed top down only if one above fails to match: Called number with incoming called-number. Tries matching on DNIS if multiple longest match wins …

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CCNP Voice Notes – Call Legs / Dial Peers

Call Legs Every voice call to be completed must have a minimum of two call legs. An Incoming call leg and an Outgoing call leg. POTS Call Leg – Connected to a non-VoIP network such as POTS line, PRI, BRI etc. VoIP Call Leg – Connected to a VoIP network such as SIP, H.323. Dial …

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CCNP Voice Notes – Call Processing / Deployment Models

Call Processing Agents Agent Recommended Size Comments Cisco CME Up to 240 Phones Dependent on Cisco IOS Platform CUCM 50 – 30,000 Phones Legacy PBX Dependent on PBX IPT Deployment Models ·         Single Site o   Design Characteristics §  30k SCCP / SIP phones per cluster §  2,100 H.323 / MGCP gateways per cluster §  DSP …

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Permanent link to this article: https://tripplehelix.net/ccnp-voice-notes-call-processing-deployment-models/

The Road to CCNP Voice

So it’s been a while I’ll admit. Things have changed I have a new job with more focus VoIP / UC. In fact it’s my task to cut over multiple CUCM clusters to 8.6 and along the way ditch Cisco Unity in favor of Microsoft Exchange 2010 UM. So during this journey I plan to …

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Permanent link to this article: https://tripplehelix.net/the-road-to-ccnp-voice/