Quectel BC95 User Manual

NB-IoT Module Series
BC95 AT Commands Manual
BC95_AT_Commands_Manual Confidential / Released 48 / 58
4.16. AT+NPING Test IP Network Connectivity To A Remote Host
This command sends an ICMP packet to the specified host address. Refer to Chapter 6 for possible
<err> values.
AT+NPING initiates the sending of a PING packet to the specified address. This will either cause a packet
to be returned if the remote system is connected and responding to PING packets or no response will be
received. A maximum of 1 ping attempts will be tried. If none of the packets receive a response within the
timeout period, an error will be raised.
If a response is received, the unsolicited +NPING message will be returned. If no response is received the
+NPINGERR unsolicited response will be returned with an error value.
Parameter
Neul Hi2110 Implementation
 IP addresses can be specified in decimal, octal or hexadecimal notation.
4.17. AT+NBAND Set Supported Bands
This command restricts the set of bands to be used. Refer to Chapter 6 for possible <err> values.
AT+NPING Test IP Network Connectivity To A Remote Host
Set Command
AT+NPING=<remote_address>
Response
OK
+NPING:<retry_num>,<remote_address>,<ttl>,<rtt>
Else
+NPINGERR: <err>
<remote_address> Address of system sending the message
IPv4 A dot notation IP address
<retry_num> Number of packets sent before a response was received
<ttl> TTL in the response packet
<rtt> Elapsed time in msec from packet sent to response received
<err> An integer value to provide some information on why the ping request failed
1 No response from remote host within timeout period
2 Failed to send ping request
Quectel
Confidential

Quectel BC95 Specifications

General

Brand	Quectel
Model	BC95
Category	Control Unit
Language	English

Summary

About the Document

History

Document revision history and changes.

Introduction

Definitions

Explains AT command syntax elements like CR, LF, brackets.

AT Command Syntax

Details the structure for test, read, set, and execute AT commands.

AT Command Responses

Describes OK, ERROR, and unsolicited result code formats.

3GPP Compliance

States compliance with 3GPP TS 27.007 v13.5.0.

Implementation Status

3GPP Commands

Lists and describes standard 3GPP AT commands.

AT+CGMI Request Manufacturer Identification

AT+CGMM Request Manufacturer Model

AT+CGMR Request Manufacturer Revision

AT+CGSN Request Product Serial Number

AT+CEREG EPS Network Registration Status

AT+CSCON Signalling Connection Status

AT+CLAC List Available Commands

AT+CSQ Get Signal Strength Indicator

AT+CGPADDR Show PDP Addresses

AT+COPS PLMN Selection

AT+CGATT PS Attach or Detach

AT+CIMI Request International Mobile Subscriber Identity

AT+CGDCONT Define PDP Context

AT+CFUN Set Phone Functionality

AT+CMEE Report Mobile Termination Error

Neul Commands

AT+NMGS Neul Send Message Command

Sends messages to the network via the CDP server.

AT+NMGR Neul Get Message Command

Retrieves messages from the CDP server.

AT+NNMI Neul New Message Indications

AT+NSMI Neul Sent Message Indications

AT+NQMGR Neul Query Messages Received

AT+NQMGS Neul Query Messages Sent

AT+NRB Neul Reboot

AT+NCDP Configure and Query CDP Server Settings

AT+NUESTATS Query UE Statistics

AT+NEARFCN Specify Search Frequencies

AT+NSOCR Create Socket

AT+NSOST SendTo Command (UDP Only)

AT+NSORF Receive Command (UDP Only)

AT+NSOCL Close Socket

+NSONMI Socket Message Arrived Indicator (Response Only)

AT+NPING Test IP Network Connectivity To A Remote Host

AT+NBAND Set Supported Bands

AT+NLOGLEVEL Set Debug Logging Level

AT+NCONFIG Configure UE Behaviour

Temporary Commands

AT+NTSETID Set ID

Sets system identities like IMEI or SVN.

Error Values

Examples

Attach Network

Example of manually attaching the module to the network.

CoAP Messages

Example for sending and receiving CoAP messages.

UDP Messages

Example for sending and receiving UDP messages.

Appendix A Reference