Cisco IP Phone 6841, Administration Manual

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Description Parameter
When enabled, authorization is required for initial incoming INVITE
requests from the SIP proxy. To enable this feature, select
Yes .
Default: No
Auth INVITE
If set to Yes , as a transferee, the phone will send a NOTIFY with
Event:Refer to the transferor for any 1xx response returned by the
transfer target, on the transfer call leg.
If set to No , the phone will only send a NOTIFY for final responses
(200 and higher).
Ntfy Refer On 1xx-To-Inv
Configure G.729 Annex B settings. Set G729 annexb
Select iLBC 20ms or 30ms frame size mode.
Default: 20
Set iLBC mode
When a tel URL is converted to a SIP URL and the phone number is
represented by the user portion of the URL, the SIP URL includes the
optional : user=phone parameter (RFC3261). For example:
To: sip:+12325551234@example.com; user=phone
To enable this optional parameter, select Yes .
Default: No
User Equal Phone
Determines the type of recording protocol that the phone uses. Options
are:
• SIPINFO
• SIPREC
Default: SIPREC
Call Recording Protocol
Call Feature Settings
Description Parameter
Enables the phone to perform an attended transfer operation by ending
the current call leg and performing a blind transfer of the other call leg.
If this feature is disabled, the phone performs an attended transfer
operation by referring the other call leg to the current call leg while
maintaining both call legs. To use this feature, select Yes. Otherwise,
select No.
Default: No
Blind Attn-Xfer Enable
Indicates whether the Message Waiting Indicator on the phone is lit.
This parameter toggles a message from the SIP proxy to indicate if a
message is waiting. Message Waiting
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
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