Grandstream Networks GVC3210 Administration Manual page 52

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Match Incoming
Caller ID
Distinctive Ring
Tone
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Out time forward to:
-
When "Time based" Call Forward Type is used, specifies the number to be
forwarded to when it's not within the configured Time Period.

Others:
When set to "Others", the call forwarding rules can be customized based on following
options:
Enable no answer forward:
-
If set to "Yes", when there is no answer from the device, call will be forwarded
to the number specified below on "No answer to".
Another field "No answer timeout (s)" is added below to specify the timeout
(in seconds) before the call is forwarded on no answer. The default value is
20 seconds.
Enable DND forward:
-
If set to "Yes", call will be forwarded to the number specified below on "DND
to", when the GVC3210 is activating DND.
It is used to specify matching rules with number, pattern or Alert Info text. When the
incoming caller ID or Alert Info matches the rule, the phone will ring with selected
distinctive ringtone. Matching rules:

Specific caller ID number. For example, 8321123;
 A defined pattern with certain length using x and + to specify, where x could be any
digit from 0 to 9. Samples:
xx+ : at least 2-digit number;
xx : only 2-digit number;
[345]xx: 3-digit number with the leading digit of 3, 4 or 5;
[6-9]xx: 3-digit number with the leading digit from 6 to 9.

Alert Info text
Users could configure the matching rule as certain text (e.g., priority) and select
the custom ring tone mapped to it. The custom ring tone will be used if the phone
receives SIP INVITE with Alert-Info header in the following format:
Alert-Info: <http://127.0.0.1>; info=priority
Selects the distinctive ring tone for the matching rule. When the incoming caller ID or
Alert Info matches the rule, the device will ring with selected ring
It is used to select the distinctive ring tone if the incoming caller ID matched the
specified Matching Incoming Caller ID rule. If so, the device will play the selected
ringtone.
GVC3210 Administration Guide
Version 1.0.1.21
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