Grandstream Networks HT881

Blind Transfer Feature Allow users to customize the Blind Transfer feature code. Default is Yes
Enable Blind Transfer Enable Blind Transfer: Default is 87
Disable LEC per call Feature
Whether to disable the LEC (Line Echo Cancellation) function of the current call (only the current call is
prohibited)
Disable LEC per call Set the function code to disable the LEC call function for the current call (default value is 03)
Play registration id Feature Whether it is displayed as a registration ID
Enable playing registration id Set to enable the function code to display the registration ID (default value is 98)
Disable Bellcore Style 3-Way
Conference
Whether to set the function code for the three-party conference will only take effect after closing the Bellcore
three-party conference
Star Code 3WC Feature Allows users to initiate a three-way conference call by dialing a predened star code
Star Code 3WC Set the function code of the three-party conference (default value is 23)
Forced Codec Feature Whether to enable the function of forcing the speech encoding type
Forced Codec Sets the function code to enable forced voice coding type calls (default value is 02)
PCMU Codec Feature Whether to force PCMU speech encoding
PCMU Codec Sets the function code to enable forced PCMU voice encoding calls (default value is 7110)
PCMA Codec Feature enables the PCMU codec for audio encoding and decoding in VoIP communications,
PCMA Codec Set the function code to enable forced PCMA voice encoding (default value is 7111)
G723 Codec Feature Whether to force G723 speech encoding
G723 Codec Set the function code to enable forced G723 speech encoding (default value is 723)
G729 Codec Feature Whether to force G729 speech encoding
G729 Codec Set the function code to enable forced G729 speech encoding (default value is 729)
iLBC Codec Feature Whether to force iLBC voice encoding
iLBC Codec Set the function code to enable forced iLBC voice encoding (default value is 7201)
G722 Codec Feature Whether to force G722 speech encoding
G722 Codec Set the function code to enable forced G722 codec voice encoding (The default value is 722)
Ringtone
Custom Ring Tone 1 Set the caller ID using custom ringtone 1
Custom Ring Tone 1 will be used
when the caller is
If the caller number matches, a custom ringtone 1 will be used