Aastra 9000i Series Administrator's Manual page 144

RTP Settings
You can configure the following RTP settings.
Parameter In
IP Phone UI
RTP Port Base RTP Port
N/A Basic Codecs
(G.711 u-Law,
G.711 a-Law, G.729)
N/A Force RFC2833 Out
of Band DTMF
N/A Customized Codec
Preference List
N/A DTMF Method
(Global and
Per-Line)
41-001343-01 Rev 02, Release 3.2.2
Parameter in Parameters in
Aastra Web UI Configuration Files
sip rtp port
sip use basic codecs
sip out-of-band dtmf
sip customized codec
sip dtmf method
(global)
sip lineN dtmf method
(per-line)
Description
The RTP port is used for sending DTMF tones and
for the audio stream. Your network administrator
may close some ports for security reasons. You
may want to use this parameter to send RTP data
using a different port. Default is 3000.
For more information, see Chapter 4,
Transport Protocol (RTP) Settings"
Enables or disables basic codecs. Enabling this
parameter allows the IP phone to use the basic
Codecs when sending/receiving RTP packets.
Valid values are 0 (disabled) and 1 (enabled).
Default is 0 (disabled).
For more information, see Chapter 4,
Transport Protocol (RTP) Settings"
Enables or disables out-of-band DTMF. Enabling
this parameter forces the IP phone to use
out-of-band DTMF according to RFC2833. Valid
values are 0 (disabled) and 1 (enabled). Default is
1 (enabled).
For more information, see Chapter 4,
Transport Protocol (RTP) Settings"
Specifies a customized Codec preference list
which allows you to use the preferred Codecs for
this IP phone.
For more information, see Chapter 4,
Transport Protocol (RTP) Settings"
Sets the dual-tone multifrequency (DTMF) method
to use on the IP phone on a global or per-line
basis. Valid values are 0 (RTP), 1 (SIP INFO), or 2
(BOTH). Default is 0 (RTP).
For more information, see Chapter 4,
Transport Protocol (RTP) Settings"
"Real-time
on page 4-90.
"Real-time
on page 4-90.
"Real-time
on page 4-90.
"Real-time
on page 4-90.
"Real-time
on page 4-90.
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