Chapter 23 VoIP Status
PMG5317-T20A User’s Guide
242
Call Type This field displays the call direction type of the current VoIP call.
Outgoing Call - It’s a SIP VoIP call made by local phone ports, and this SIP account is able
to issue a (SIP-based) call setup to the SIP account of remote peers for a VoIP call
establishment. This (SIP-based) call setup signal is sent to the SIP server first, and then the
SIP server would relay it to the target peer after correctly resolving and locating the target
peer. During the call setup (signaling) phase, Calling state is displayed in the Status field,
and it turns to InCall state once the call is successfully established.
Incoming Call - It’s a SIP VoIP call made or originated by remote SIP accounts to connect
to this local SIP account. One or more local phone ports can be configured to receive this
type of call, see the Incoming Number below, and all of them should begin to ring during
the call setup (signaling phase), see the Status above. Once some remote SIP accounts
start to ring one local phone, answer by off-hook to the call, and the call is successfully
established. The other ringing local phone ports will stop ringing and turning to InCall state
in the Status field.
Internal Call - It’s a local VoIP call between two different local phone ports. No SIP
signaling is needed and thus no SIP server is involved to establish this type of call. This type
of call is established via the Internal and Non-SIP local setup signaling procedure between
the call-originating and call-terminating local phone ports. In general, one or more local
phone ports can be designed to receive this type of call, and once any of the ringing phones
answer the call, the other ringing ones will stop ringing. During the call setup phase
(signaling phase), Calling state is displayed in Status field, and turns to InCall state once
the call is successfully established.
Codec This field displays what voice codec is being used for a current VoIP call through a phone
port.
Note: Before the call is established, meaning when it’s Calling or Ringing state
in Status, the state of this codec field will be Unknown, since the codec
hasn’t been determined during the call setup (signaling) phase.
From Phone
Port Type
This field displays the phone ports type used to originate, start, or create the current VoIP
call. Two possible type values will be displayed here:
SIP - For the current call which is categorized as Incoming Call in the Call Type filed, this
field will show the type SIP.
FXS - As for the other cases: Outgoing Call and Internal Call, this field will show the
corresponding local phone port type: FXS, the legacy analog phone port on the device.
To Phone Port
Type
This field displays the phone ports type used to receive the current VoIP call. Three possible
type values will be displayed here:
SIP - For the current call which is categorized as Outgoing Call in the Call Type field, this
field will show the type SIP.
FXS and Unknown - As for the other cases: Incoming Call and Internal Call, this field
will show the corresponding local phone port type: FXS, the legacy analog phone port on
the device. While the call is established, this field shows Unknown during the call setup
phase (signaling phase). This is because one or more local phone ports can be configured or
designed to receive these two types of calls, see the Call Type above, and the local phone
port will answer the call that hasn’t been determined yet at that time.
Peer Number
This field displays the phone Number for the Outgoing Call and Internal Call cases or the
SIP account number for the Incoming Call case of the remote party that’s engaged in the
current VoIP call.
Phone Status (This table displays the name and the SIP account binding relationship of different local phone
ports. The SIP account binding relationship can be configured in VoIP > Phone > Phone Device.)
Phone This field displays the name of each local phone port on the GPON Device.
Table 110 System Monitor > VoIP Status (continued)
LABEL DESCRIPTION
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