[Asterisk-Users] Cisco IP phones, SIP, Call-Manager & Contracts

[Derek Conniffe]

Hi,

There is a lot of talk about Cisco phones, SIP firmware and Contracts to
download same.  

Does using a 7940/60 or other with SIP firmware offer better
features/compatibility with Asterisk over using the [default?] Call-Manager
firmware and chan_sccp?  A lot of people here must have started with
Call-Manager then moved on, with all the work that entails, and installed
the SIP firmware - I'd love to hear someone's opinion of the difference in
using the phones before & after.

Thanks,

Derek

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