GE 800 7. Configuration of IP-Terminals
1.1/1209 45
IP-Subscribers
Select Subscriber > Station properties > IP-Terminals.
In this dialogue the connections from the IP-subscriber card to the IP-subscribers are defined:
Tab General
In the field Card IP Address the IP-address of the appropriate IP-card defined at IP-Settings, is in-
dicated (see above
).
In the field Station type the type of connected Intercom station is indicated.
In the field Terminal IP Address for each IP-subscriber the IP-address has to be entered (must be
the same address which has been configured in IPStationConfig, see page 39
).
In the field Port No. the port number of the IP-subscriber can be changed (e.g. for configuration with
NAT, see page 59
– must be the same port number which has been configured with the program IP-
StationConfig, see page 39
→ consider also the note to the single port protocol on page 39).
In the field Subnet mask the subnet mask of the IP-subscriber defined with the program IPSta-
tionConfig, is indicated.
In the field Router IP Address the IP-address of the appropriate router (i.e. the gateway in the
WAN) defined with the program IPStationConfig, is indicated.
VLAN - ID: not supported in CCT.
Via the checkbox
Dynamic registration
, the dynamic registration via MAC-address can be activated
Attention: This feature additionaly has to be activated in IPStationConfig see page 39 (see also
short description of the feature on see page 40
).
In the field MAC - Address the MAC-address of the IP-subscriber is indicated (can not be configu-
red).
In the combo-boxes Uplink and Downlink the ethernet operation mode of the network link (RJ 45)
configured in IPStationConfig, is indicated.
Tab Extended Settings
In the combo-box Bandwidth in Kbit the bandwidth, which is used in the network by the IP-
terminal can be selected (data & speech). The total bandwidth must always be set higher than the
Databandwidth.
In the combo-box Databandwidth Kbit the bandwidth which is used for data packets that leave the
IP-terminal can be defined (see diagram on page 44
). When the bandwidth is reduced, the packets
leave the terminals with a larger time period between them (Traffic Shaping Algorhythm according
to Leaky Bucket Principle). This prevents a “Packet burst“ which can lead to a queue overflow at the
router.
In the combo-box card poll time it is possible to define, how often the card checks if the IP-sub-
scriber can be reached.
In the combo-box station poll time it is possible to define, how often the IP-subscriber checks if the
card can be reached.
If the checkbox VOX-Control is activated, speech packets are only transmitted when a signal is ac-
tive at the microphone. This function shall only be used if the bandwidth in the network is limited.
Attention: For this feature min. firmware 2.1 for an ET 901 is required!
In the field DSCP the bits for DSCP (Differentiated Services Code Point) Packet Marking can be en-
tered – value range: 0 to 63 (e.g.: 46 for “Expedited Forwarding”).
Recommendation: Select no limitation!
Databandwidth for
IP-subscribers: min. 32 kBit
Recommendation:
Activate this feature when operating an IP-subscriber over WAN (dynamic firewall, dynamic NAT).
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