Karel ip112, User Manual

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IP TELEPHONE SET
61
USING THE ADVANCED PHONE FUNCTIONS
ACCOUNT SETTING
Please refer to the previous part “Configuration and Registration” for the basic Account setting
information. The following table lists the instruction of the field about the advanced Account
Setting.
Field Name Description
UDP Keep-alive
Message Defines whether to active the phone UDP Keep-alive mechanism. The
default is Enabled.
UDP Keep-alive
Interval
(seconds)
This parameter specifies how often the phone will send a packet to the
SIP server. Default is 30 seconds.
Login Expire (seconds) This parameter specifies the time frequency that phone refreshes its
registration. The default interval is 3600 seconds.
Local SIP Port Local SIP port. The default value is 5060.
Local RTP Port Defines the local RTP port that the phone will listen and transmit. The
default value is 11780.
RPort The parameter allows you configuring the proxy to send responses
back to a particular address and port. The default is disabled.
SIP Session Timer This document defines an extension to the Session Initiation Protocol
(SIP). This extension allows for a periodic refresh of SIP sessions
through a re-INVITE or UPDATE request. The refresh allows both user
agents and proxies to determine if the SIP session is still active.
Subscribe
Period
(seconds)
This parameter could set the period of the subscription. The default
value is 3600.
DTMF Type Select the DTMF type.
You can only configure these settings via Web interface.
1) Choose
Account.
2) Select the desired account.
3) Choose Advanced interface to do the relating settings.
You can consult your system administrator for more information.
TLS
TLS(Transport Layer Security), an IETF standards track protocol(RFC 5246), was based
on the earlier SSL specifications developed by Netscape Corporation.
If you make a call based on TLS and SRTP (Set the transport as TLS and the SRTP as