Specifications

310HD, 320HD and 420HD IP Phones
Administrator's Manual 92 Document #: LTRT-09910
Parameter Description
Incoming Anonymous Call Blocking
[voip/signalling/sip/anonymous_calls_blocking]
When enabled, incoming INVITE
messages with anonymous From
header are rejected.
 [0] Disable (default)
 [1] Enable
For example:
From:"Anonymous"<sip:anonymo
[e-mail]>
The phone responds with a SIP
403 "Forbidden" response.
[voip/signalling/sip/auth_retries]
Defines the number of times
authenticated register messages
are re-sent if 401 or 407 SIP
responses with a different
"nonce" are received.
The valid range is 0 to 100. The
default value is 4.
[voip/signalling/sip/display_name_in_registration_msg/enabled]
Sets the Display Name in the
"To" and "From" fields of the SIP
REGISTER message.
 [0] Disable (default)
 [1] Enable
voip/signalling/sip/semi_transfer_with_no_cancel/enabled
Determines whether semi-
attendant transfer is performed
without sending the SIP CANCEL
message to the remote side.
 [0] Disable (default)
 [1] Enable
Notes:
 In this flow ("with_no_cancel"),
the Transferor's User Agent
continues the transfer as an
attended transfer even after
the Transferor hangs up. This
is the recommended flow
defined by
http://tools.ietf.org/html/draft-
ietf-sipping-cc-transfer-03.
 Existing / current behavior is
retained for backward
compatibility (disabled by
default)