Akuvox R55P, User Manual

Page: 49 / 80

49
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), G723,G726,G729 and so on.
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 auto-answered
when there is an incoming call for designated account.

Ringtones: Choose the ringtone for each account.

Provisioning Response ACK: 100% reliability for all
provisional messages, this means it will send ACK every
time the IP phone receives a provisional SIP message from
SIP server.

User=phone: If enabled, IP phone will send user=phone
within SIP message.

PTime: Interval time between two consecutive RTP packets.