udp keepalive

Last Updated : Jun 01, 2021 |
Configures the timer after which, the gateway sends an RTP packet if no data is sent over a VoIP media channel. When the gateway is in Edge Mode and data traffic is light, the gateway must send UDP Keep-Alive messages to keep the NAT connection open for incoming RTP encoded media streams. Audio and non-audio links are covered in the VoIP media channels. For non-audio media streams, edge gateway supports the following categories:
  • RFC 4040 Clear channel data
  • T.38 Fax data
  • V.150.1 IP Modem relay data
Prolog information
Metadata
Keywords:
Note:
This command is applicable when the gateway is in Edge Mode.

Syntax

udp keepalive [timer value]

Parameters

Parameter
Description
Possible Values
Default Value
timer value
Length of the timer window for sending null RTP packets.
10 - 300 seconds
15 seconds
Note:
When you execute the command without a [timer value], the current administered value is displayed on the CLI.

User level

Administrator: read-write
End-user: read-only

Context

general