Another week, another system (kind of)
Aother fun series of weeks for your truly. Just finished the installation (solo) of a five-school
Cisco Call Manager Express telephone system. The new phones replaced a combination of
Intertel, Avaya, and just straight phone lines at a school in California’s Imperial Valley. If you
have any questions about Cisco’s IP Telephpony suite, go on and ask, I’ve been neck-deep in
it for the last three weeks. Fun features:
1) Four-digit dialing between all classrooms and offices w/o using traditional
phone lines Until now, every call cost the district at least $0.10, when the lines weren’t tied up.
2) Cross-Site paging; The district office can voice-page any site, grade
level, or classroom wing/building. This was never possible until now.
3) Cross-site call parking. Transfer a call from one site to a dedicated hold ‘park slot’
at another. Useful for meetings. The call park slot also acts as a remote-site audio quality test,
as the background music is played while the call is active.
4) POTS pooling. Your site only has two POTS lines? No problem, your call will
‘hunt’ to outbound lines at one of the other sites so your call will go through. No, I did not
implement 9-1-1 hunting.
5) Call Restrictions. Allow certain teachers to have long distance, allow the
district office to have outbound line priority in emergencies, and let everyone call locally. All
in a days work for Class of Restriction.
And of course custom time-based auto-attendents, LCD phones, voicemail, etc….
Hardware Used:
Cisco 2851 routers with Call Manager Express, Call Unity Express voicemail
7902, 7940, 7914, amd 7970 phones.
Cisco C500 POE switches
lots of fiber….
Now I get a single day off before going back to Imperial “115f” County to install a
Cisco long-range fixed-wireless system, and then a 50 camera video surveilance network.
Big fun, big toys. And I’m hiring. Seriously. Drop a note to general-delivery@sdmedia.net for more info.
Ps: Got approved as a Director on youtube.com today.
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