Cisco IP Phone Manuals

Here is a collection of the official end user guides (or manuals) of the major Cisco IP phones on the market. I will only mention the manuals for the latest Cisco Unified Communications Manager versions and Cisco Unified Communications Manager ... Read More »

CUCM Prefix Digits


“Prefix Digits” is a dialing transformation for both inbound and outbound calls. It allows to prepend the called number or the calling number with a set of digits before sending the call to the next stage of call routing. This ... Read More »

Understanding CallManager Route Filters


The concept of route filters is associated with a famous route pattern wildcard: the @ symbol. As a brief review, a route pattern written in the <something>@<something> implicitly tells CUCM to generate as many route patterns as the numbering plan ... Read More »

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