Grandstream Networks HT503 User Manual page 31

Subscribe for MWI
Anonymous Call
Rejection
Special Feature
Session Expiration
Min-SE
Caller Request Timer
Callee Request Timer
Force Timer
UAC Specify Refresher
UAS Specify Refresher
Force INVITE
Invite Ring-No-Answer
Timeout
Preferred Vocoder
G723 Rate:
iLBC Frame Size:
iLBC Payload Type:
AAL2-G726-16 Payload
Type
Grandstream Networks, Inc.
•
<=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:
Default is No. When set to "Yes" a SUBSCRIBE for Message Waiting Indication will be
sent periodically.
Default is No. If set to "Yes", incoming calls with anonymous Caller ID will be rejected
with a 486 busy message.
Default is Standard. Choose the selection to meet some special requirements from
Softswitch vendors.
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 occurs beforehand. The default value
is 180 seconds.
The minimum session expiration (in seconds). The default value is 90 seconds.
If selecting "Yes" the phone will use session timer when it makes outbound calls if
remote party supports session timer.
If selecting "Yes" the phone will use session timer when it receives inbound calls with
session timer request.
If selecting "Yes" the phone will use session timer even if the remote party does not
support this feature. Selecting "No" will allow the phone to enable session timer only
when the remote party support this feature.
To turn off Session Timer, select "No" for Caller Request Timer, Callee Request Timer,
and Force Timer.
As a Caller, select UAC to use the phone as the refresher, or UAS to use the Callee or
proxy server as the refresher.
As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to use
the phone as the refresher.
Session Timer can be refreshed using INVITE method or UPDATE method. Select
"Yes" to use INVITE method to refresh the session timer.
Default is 40 seconds, the range is between 5 and 300 seconds.
The HT503 supports up to 5 different Vocoder types including G.711 A-/U-law, G.726
(Supports bit rates 16, 24, 32 and 40), G.723.1, G.729A/B/E and iLBC. The user can
configure Vocoders in a preference list that will be included with the same preference
order in SDP message. The first Vocoder is entered by choosing the appropriate
option in "Choice 1". The last Vocoder is entered by choosing the appropriate option in
"Choice 8".
This defines the encoding rate for G723 vocoder. Default setting is 6.3kbps.
This sets the iLBC size in 20ms or 30ms
This defines payload type for iLBC. Default value is 97. The valid range is between 96
and 127.
Defines payload type for AAL2-G726-16. Default value is 100. Range is from 96 to
127.
HT503 User Manual
Firmware 1.0.1.57
{ [x*]+ }.
Page 31 of 37
Last Updated: 3/2010