Option
Description
Option
Description
Enable Strict Proxy
Use this check box to
enable using strict
routing. When the phone
receives packets from
the server, it uses the
source IP address, not
the via address.
Enable Feature Sync
Use this check box to
enable feature
synchronization with the
server.
Enable user=phone
Use this check box to
enable user=phone in
SIP messages.
Enable GRUU
Use this check box to
enable the Globally
Routable User-Agent
URI (GRUU).
Enable SCA
Use this check box to enable Shared Call Appearance (SCA).
RTP Encryption
Use this check box to
enable RTP encryption.
The RTP transmission
will be encrypted.
RTP Encryption Key
Use this option to set the
pass phrase for RTP
encryption.
TLS Version
Use this option to select the appropriate TLS
version. Supported versions are TLS 1.0, 1.1, and
1.2.
Dial plan page
To access this page, click the
Line
tab and then click
Dial Plan
.
The Avaya H239 and H249 phones support the following dialing modes:
Option
Description
Basic Settings
Press # to invoke dialing
Use this check box to enable dialing the desired
number ending with # .
Dial Fixed Length
Use this option to configure the fixed length to dial
out.
Send after
Use this option to specify the time after which the
number is sent to the server.
Press # to Do Blind Transfer
Use this check box to enable the blind transfer
onhook option: Press # after entering the target
number for the transfer. The phone transfers the call
to the remote party.
Blind Transfer on Onhook
Use this check box to enable the blind transfer
onhook option: Hang up after entering the target
number for the transfer. The phone transfers the call
to the remote party.
Table continues…
Line tab
October 2019
Installing and Administering the Avaya H239 and H249 Phones
27