Welltech SIPPBX 6200A - Manual (Page 53)

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DialPlan Define the dialing plan for Trunk. It specifies the location of the
instruction used to control what the phone is allowed to do, and
what to do with incoming calls for this Trunk. In this field, you
can Choose 6 dial level for Extension, including [from-pstn],
[ext-only], [ext+R1], [ext+R12], [ext+R123], [ext+allroutes].
You can define an “Outgoing call” record, to a certain route
level, as R1, R2…, etc. [from-pstn] is used for Trunk only.
[ext-only] means this subscriber can only call to Extension.
[ext+R1] means the subscriber with such DialPlan can call to
Extension and Route Level with R1. [ext+R12] means the
subscriber with such DialPlan can call to Extension and Route
Level with R1 and R2. [ext+R123] means the subscriber with
such DialPlan can call to Extension and Route Level with R1, R2
and R3. [ext+allroutes] means the subscriber with such
DialPlan can call to Extension and Route Level with R1, R2, R3
and R4.
Note: For more information about Route Level, please refer to
the user manual: CH3.1.8 Outgoing Routing.
Keypad User can select Keypad type to be RFC2833, In-band, or
SIP-Info and Auto. You can choose Auto to auto select the
Keypad type. Choose RFC2833, Inband or SIP-Info here will
force the Extension use RFC2833, Inband or SIP-Info only and
the setting should be also matcedh the Keypad setting of Trunk
device.
NAT Traversal If the Trunk device is behind a device performing NAT, such as
firewall or router, and need to register to SIPPBX 6200A on
public network, user has to enable this function. Enable NAT
Traversal to force SIPPBX 6200A to ignore the contact
information for the Trunk and use the address from which the
packets are been received.
Port You can use this to define the SIP signal port if you want to
listen on a nonstandard SIP signal port.
External Server
Address This field will allow you to set the domain in the SIP From URI.
Setting this will avoid some unexpected issue if the service
provider needs this for authentication.
Maximum Channels This will limit the maximum channels for this Trunk. For
example, you set 2 into this field; only 2 outgoing calls could go
via this Trunk. Default is no limit.
Outbound Caller ID Some service provider will require the correct registered caller
ID if it got an incoming call. Default the SIPPBX 6200A will send