VTech ET685 Administrator And Provisioning Manual page 125

Setting
ENUM Support
Countrycode
Areacode
Proxy Require
Additional supported
headers
Q-Value
Proposed Expiry
Auto Answer
Long SIP-Contact
(RFC3840)
Web User Interface (WebUI) Reference
ET685 Administrator and Provisioning Manual
Description
ENUM means that a conventional E.164 number (normal
phone number) is mapped to a SIP URI so that a pure IP call
can be started instead of an IP/PSTN call. To use ENUM
lookup not only this option has to be enabled, but also below
options Countrycode and Areacode have to be setup
properly before. Both options are used to build the above
Dial Plan String which is mandatory to make the ENUM
lookup work. NOTE: Part of the dialplan in order to set up
ENUM support. 'ENUM 49 30' means the phone resides in
the contry code 49 and area code 30 and is setup to use
ENUM lookup.
The country code for ENUM lookup (e.g., 49 for Germany).
The area code for ENUM lookup (e.g., 30 for Berlin).
If your SIP proxy/registrar needs the 'SIP Proxy Require'
header, it can be enabled here.
If your SIP proxy/registrar needs the additional header, it
can be enabled here.
You can set up the probability of a registration for each line
through this setting (the default is 1.0). This means that
different registrations with different Q-values will ring in
serial order (serial forking) in contrast to different
registrations with the same Q-values, which will ring in
parallel (parallel forking).
The proposed expiry time of the registration in seconds for
line x. Upon expiration of the registration, the phone will
send a fresh re-registration request.
If it is <on>, the phone will automatically answer incoming
calls.
When your SIP Registrar is not properly supporting long
contacts specified in accordance with RFC 3840, you may
want to switch this behavior off.
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