Displaying 2 results from an estimated 2 matches for "t28p".
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2011 Apr 13
4
[OT] Yealink Phones
I've just started deploying these (well the T28P model) after years of
Snom issues and they look pretty good (although the documentation is
execrable; if you thought the Snom stuff was obtuse Yealink have got
them knocked into a cocked hat!).
Anyway, for provisioning I use HTTP with a DHCP entry like:-
#
# Yealink Phones...
2013 May 21
1
Failed to authenticate device "Ext 110"
I'm having a strange problem recently with a Yealink SIP-T28P phone
connected to Asterisk 11.4.0 via openvpn. It was working fine for months,
and now when I dial anything from the phone, it shows "Forbidden", and the
Asterisk console shows:
[May 21 10:47:49] NOTICE[28518][C-00000004]: chan_sip.c:25189
handle_request_invite: Failed to authenticate...