Sections
Description
SIP Account
To display current Account settings or to select which account
to display.
Codecs
To display and configure available/unavailable codecs list.
Codec means coder-decoder which is used to transfer analog
signal to digital signal or vice versa.
Familiar codecs are PCMU(G711U), PCMA(G711A), G722
(wide-bandth codecs), G729 and so on.
Video Codec
To configure the video quality
Codec Name: The default video codec is H264.
Codec Resolution: It can support QCIF, CIF, VGA, 4CIF,
720P.
Codec Bitrate: The lowest bitrate is 128, the highest
bitrate is 2048.
Codec payload: From 90-119.
Subscribe
To display and configure MWI, BLF, ACD subscription settings.
MWI: Message Waiting Indicator which is used to
indicate whether there is unread new voice message.
BLF: BLF is short for Busy Lamp Field which is used to
monitor the designated extension status.
ACD: Automatic Call Distribution is often used in offices
for customer service, such as call center. The setting
here is to negotiate with the server about expire time of
ACD subscription.
DTMF
To display and configure DTMF settings.
Type: Support Inband, Info, RFC2833 or their
combination.
How To Notify DTMF: Only available when DTMF Type is
Info.
DTMF Payload: To configure payload type for DTMF.
Note
: By default, DTMF type is RFC2833 which is the
standard. Type Inband uses inband frequency to indicate
DTMF tone which is most used to be compatible to
traditional telephone server. Type Info use SIP Info message
to indicate DTMF message.
Call
To display and configure call-related features.
Max Local SIP Port: To configure maximum local sip port
for designated account.
Min Local SIP Port: To configure minimum local sip port
for designated account.
Caller ID Header: To configure which Caller ID format to
fetch for displaying on Phone UI.
Auto Answer: If enabled, IP phone will be
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Manual de usuario
VTX-300