Grandstream HT503 User Manual User Manual
Page 47
FIRMWARE VERSION 1.0.14.1
HT503 USER MANUAL
Page 45 of 64
Block any number of leading digits 1900 and add prefix 1617 for any dialed 7 digit
numbers
•
Example 3: {1xxx[2-9]xxxxxx | <2=011>x+}
Allow any length of number with leading digit 2 and 10 digit-numbers of leading
digit 1 and leading exchange number between 2 and 9; If leading digit is 2,
replace leading digit 2 with 011 before dialing.
3. Default: Outgoing - {x+}
Example of a simple dial plan used in a Home/Office in the US:
{ ^1900x. | <=1617>[2-9]xxxxxx | 1[2-9]xx[2-9]xxxxxx | 011[2-9]x. | [3469]11 }
Explanation of example rule (reading from left to right):
•
^1900x. - prevents dialing any number started with 1900
•
<=1617>[2-9]xxxxxx - allows dialing to local area code (617) numbers by dialing
7 numbers and 1617 area code will be added automatically
•
1[2-9]xx[2-9]xxxxxx |- allows dialing to any US/Canada Number with 11 digits
length
•
011[2-9]x. - allows international calls starting with 011
•
[3469]11 - allow dialing special and emergency numbers 311, 411, 611 and 911
Note: In some cases user wishes to dial strings such as *123 to activate voice mail or
other application provided by service provider. In this case * should be predefined
inside dial plan feature and the Dial Plan will be:
{ [x*]+ }.
Subscribe for MWI
Default is No
. When set to “Yes” a SUBSCRIBE for Message Waiting Indication will be
sent periodically.
Send Anonymous
When set to “Yes”, the “From” header along with Privacy and P_Asserted_Identity
headers in outgoing INVITE messages will be set to anonymous, blocking Caller ID.
Anonymous Call
Rejection
Default is No
. If set to “Yes”, incoming calls with anonymous Caller ID will be rejected
with a 486 busy message.
Special Feature
Default is Standard. Choose the selection to meet some special requirements from
Softswitch vendors.
Session Expiration
Grandstream implemented SIP Session Timer. The session timer extension enables
SIP sessions to be periodically “refreshed” via a SIP request (UPDATE, or re-INVITE.
Once the session interval expires, if there is no refresh via a UPDATE or re-INVITE
message, the session will be terminated. Session Expiration is the time (in seconds) at
which the session is considered timed out, if no successful session refresh transaction