XT55 AT Command Set - Wireless Data Modules

XT55 AT Command Set10.3 AT^SISOs (num)Number of bytes sent via AT^SISW since last successful AT^SISO write command. (str)Recently used local IP address in dotted-four-byte format and TCP port, separated by colon, e.g."192.60.10.10:80". (str)Remote IP address in dotted-four-byte format or evaluated DNS name and TCP port, separated by colon, e.g."192.60.10.10:80" or "www.siemens.com:80". (num)URC cause identifier.0 An error has occurred after opening or while using an Internet service.Error number is presented via , optionally additional informationmay be supplied via .1 Indicates that an opened Socket listener service is receiving a connectionrequest from a remote client.The incoming socket connection is dynamically assigned to the next free Internetservice profile. In this case, the parameter inside the "^SIS"URC equals the of the dynamically assigned service profile.This ID shall be used to accept the connection request with AT^SISO or toreject it with AT^SISC.The connection status may be requested by using the AT^SISO read command.Among other details, the response indicates the IP address of theremote client (parameter ). This may be helpful to decide whetherto accept or reject the request.2 Incoming Socket service client connection has failed.The client request was rejected automatically because no free Internet serviceprofile was available.3 HTTP only: Indicates that the message delivered by the "^SIS" URC is providedfor information only, it is not an error. For details refer to Info URCs inSection 10.7.3, URC Information Elements Related to HTTP Service.Example: ^SIS: 2, 3, 2200, "HTTP Redirect to:192.168.1.3:800//products/info/" (num)Information identifier related to .See Section 10.7, Information Elements Related to Internet Service URCs for further detail.As stated above, if a Socket connection request from a remote client is received the equals the of the dynamically assigned free service profile. (str)Information text related to .See Section 10.7, Information Elements Related to Internet Service URCs for further detail.Note• In addition to the "^SIS" URC detailed Release Causes can be obtained with AT+CEER. See Section 3.4.1,Cause Location ID for the extended error report and Section 3.4.15, SIEMENS release cause for IP over ATcommands.XT55_ATC_V03.03 Page 238 of 459 9/9/05Confidential / Released