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2007 Nov 22
5
Odd bug in Siemens C460IP ?
Hello,
I think I have encountered an odd bug in Siemens C460 IP/dect handsets,
which is a bit annoying, and I'm not (yet) sure how to get round it without
lots of hacks.
Basically, on all external incoming calls, we set:
exten => s,n,SIPAddHeader(Alert-Info: Bellcore-dr2)
This causes handsets (i.e. Cisco 7960 / Grandstream / aastra) to set a
different ring cadence so to differentiate