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Part 4 – AT Commands for the SocketModem iCell, SocketModem IP, and MultiModem iCell Chapter 14
Universal IP AT Commands Reference Guide (Document S000457K) 77
#KEEPALIVEPORT – Keep-Alive Port Number
Description: If the keep-alive session is TCP, then keep alive port controls the remote host port number.
Syntax: AT#KEEPALIVEPORT=<Port Number value>
AT#KEEPALIVEPORT? Read or display the current setting (or AT#VKEEPALIVE or AT#VALL)
Values: Set the port number that the Profile will use:
From 1 to 5 numeric digits (0 to 9).
Note:
Numbers above 65535 are illegal since port identification fields are 16-bits long in the IDP
header.
Default: 1
Example: AT#KEEPALIVEPORT=xxxxx
#KEEPALIVESERV – Keep-Alive Server Address
Description: The remote address for both TCP and ICMP keep-alive.
Syntax: AT#UDPSERV="<Keepalive Server Addressvalue>"
AT#KEEPALIVESERV? Read or display the current setting (or AT#VKEEPALIVE or AT#VALL).
Values: Set the Remote Server Address value that the Profile will use:
32-bit number is dotted-decimal notation (i.e., xxx.xxx.xxx.xxx) or
Alphanumeric ASCII text string up to 120 characters if DNS is working.
Default: None
Example: AT#KEEPALIVESERV="xxx.xxx.xxx.xxx" or AT#KEEPALIVESERV="some.address.com"
#KEEPALIVEDELAY – Keep-Alive Delay
Description: This parameter determines the delay before the keep-alive mechanism will check the remote host
for connectivity.
Syntax: AT#KEEPALIVEDELAY=<Data Delay value>
AT#KEEPALIVEDELAY? Read or display the current setting (or AT#VKEEPALIVE or AT#VALL).
Values: Set the delay value in minutes
Integer between 0 and 65535
Default: 100
Example: AT#KEEPALIVEDELAY=xxxxx
#OUTPORT – UDP/TCP Local Port Number
Description: Controls the local port that the UDP/TCP connection is bound to.
Syntax: AT#OUTPORT=<Port Number value>
AT#OUTPORT? Read or display the current setting (or AT#VKEEPALIVE or AT#VALL).
Values: Set the port number local connection will use:
From 1 to 5 numeric digits (0 to 9).
Note:
Numbers above 65,535 are illegal since port identification fields are 16-bits long in the IDP
header.
Default: 0
Example: AT#OUTPORT=xxxxx