Administrator’s Guide for SIP-T4X IP Phones
90
Session Timer
on page
292
.
Local
Web User Interface
Configure session timer.
Navigate to:
http://<phoneIPAddress>/servlet
?p=account-adv&q=load&acc=
0
To configure session timer via web user interface:
1.
Click on Account.
2.
Select the desired account from the pull-down list of Account.
3.
Click on Advanced.
4.
Select the desired value from the pull-down list of Session Timer.
5.
Enter the desired time interval in the Session Expires (30~7200s) field.
6.
Select the desired refresher from the pull-down list of Session Refresher.
7.
Click Confirm to accept the change.
Call hold provides a service of putting an active call on hold. When a call is placed on
hold, the IP phone sends an INVITE request with a HOLD SDP to the server. IP phones
support two call hold methods, one is RFC 3264, which sets the “a” (media attribute) in
the SDP to sendonly, recvonly or inactive (e.g., a=sendonly). The other is RFC 2543,
which sets the “c” (connection addresses for the media streams) in the SDP to zero (e.g.,
c=0.0.0.0). The call hold tone feature allows IP phones to play a hold tone at regular
Summary of Contents for SIP-T4X
Page 1: ...T 4 XI PP h o n e A d mi n i s t r a t o r G u i d e...
Page 2: ......
Page 15: ...Administrator s Guide for SIP T4X IP Phones xiv...
Page 23: ...Administrator s Guide for SIP T4X IP Phones 8...
Page 217: ...Administrator s Guide for SIP T4X IP Phones 202...
Page 233: ...Administrator s Guide for SIP T4X IP Phones 218...
Page 245: ...Administrator s Guide for SIP T4X IP Phones 230...
Page 257: ...Administrator s Guide for SIP T4X IP Phones 242...
