User's Manual

4-/8-/16-/24-/32-Port SIP Internet Telephony Gateway
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Explanation of related parameters
Index The No. of the port group; it uniquely identifies a route, ranging from 0 to 7.
Description `
Primary/Secondary Display Name
Port group display is used in SIP message like the examples below:
INVITE sip:[e-mail] SIP/2.0
Via:SIP/2.0/UDPpc33.atlanta.com;branch=z9hG4bK776asdhds Max-Forwards: 70
To: Bob <sip:[e-mail]>
From: Alice <sip:[e-mail]>;tag=1928301774
Here Bob and Alice is the display
Primary/Secondary SIP User ID
User account information, provided by VoIP service provider (ITSP). Usually in the form
of digit similar to phone number or actually a phone number.
Primary/Secondary Authenticate ID
SIP service subscriber’s authenticated ID -- It can be identical to or different from SIP
User ID.
Primary/Secondary Authenticate
Password
Password of SIP user ID
Offhook Auto-Dial To enter offhook auto-dial number
Auto-dial Delay time How long auto-dialing will be delayed
Port Select
It specifies the policy for selecting a port for ringing in the port group
 Ascending: the gateway always selects a port from the minimum number.
 Cyclic ascending: the gateway always selects a port from a number next to the
number selected last time. If the maximum number was selected last time, the next
selected number is the minimum number. The sequence moves in cycles like this.
 Descending: the gateway always selects a port from the maximum number.
 Cyclic descending: the gateway always selects a port from a number next to the
number selected last time. If the minimum number was selected last time, the next
selected number is the maximum number. The sequence moves in cycles like this.
 Group ring: all ports ring at the same time
Pickup UP on group
When one port rings, user can dial ‘*#’ to pick up the call from other ports under the
same port group.
Port Select ports for this port group