ZyXEL Communications VMG8924-B10D User Manual page 252

Table 121 System Monitor > VoIP Status (continued)
LABEL DESCRIPTION
Last Outgoing This field displays the last number the SIP account called. The field is blank if the SIP account has
Number never dialed a number.
Call Status
Account This column displays each SIP account in the VMG.
Duration This field displays how long the current call has lasted.
Status This field displays the current state of the phone call.
Idle - There are no current VoIP calls, incoming calls or outgoing calls being made.
Dial - The callee's phone is ringing.
Ring - The phone is ringing for an incoming VoIP call.
Process - There is a VoIP call in progress.
DISC - The callee's line is busy, the callee hung up or your phone was left off the hook.
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.
From Phone Port This field displays the phone ports type used to originate, start, or create the current VoIP call.
Type 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 This field displays the phone ports type used to receive the current VoIP call. Three possible type
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.
Chapter 25 VoIP Status
VMG8924-B10D/B30D User's Guide
252