AudioCodes 420HD - Configuring RTP Port Range and Payload Type; Figure 20-1: Web Interface - Media Streaming; Table 20-2: RTP Port Range and Payload Type Parameters

400HD Series IP Phones
Administrator's Manual 126 Document #: LTRT-11950
20.2 Configuring RTP Port Range and Payload Type
RTP Port Range and Payload Type can be configured using the Web interface or
Configuration File.
 To configure RTP Port Range and Payload Type using the Web interface:
1. Access the Media Streaming page (Configuration tab > Voice Over IP menu > Media
Streaming).
Figure 20-1: Web Interface - Media Streaming
2. Configure 'RTP Port Range' and 'Payload Type'parameters using the table below as
reference, and then click Submit.
 To configure RTP Port Range and Payload Type using the Configuration File:
• Use the table below as reference.
Table 20-2: RTP Port Range and Payload Type Parameters
Parameter Description
DTMF Relay RFC 2833 Payload Type
[voip/media/dtmf_payload]
Defines the RTP payload type used for RFC 2833 DTMF
relay packets.
Range: 96 - 127. Default: 101.
RTP Port Range
[voip/media/media_port]
Defines the base port for the range of Real Time Protocol
(RTP) voice transport ports which the enterprise IT
administrator must open on the network's firewall.
Default: 4000. Valid possible ports (if the default is
selected as base port): 4000-4023. If, for example, 5000 is
selected as the base port, the valid possible ports will be
5000-5023.