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Telstra’s Fixed Line SMS service - SMS PET/TAP Paging Service known as Dial-up Access Manager:

This service is available from most Telstra fixed line services including NBN.

Telstra has maintained an existing paging SMS service on 125107. Previous access numbers 018018767 and 0418707767 are no longer in use. This service has been around since the mid 1990’s and uses a standard dial-up Internet type modem and PET or TAP protocol to send SMS messages. 

 

http://en.wikipedia.org/wiki/Telelocator_Alphanumeric_Protocol

 

The access number for this service is 125107 there is a 25c charge for the connection to 125107 and 1c for each message sent. The charges for 125107 will appear on the phone bill under the heading “Mobile Enquiry”

This service requires a password, there are two public passwords (mnmail & passwd) that dictate the protocol and the number of messages that can be sent.

mnmail – TAP Protocol – Allows the sending of up to 25 SMS messages per dial in.

passwd – PET Protocol – This protocol is maintained for compatibility with older devices such as the Metromedia IXO device, and allows 1 SMS to be sent per dial in.

This service is commonly used by burglar alarms, building alarms and other dedicated equipment that has a need to send SMS messages. It is also possible to send SMS messages using application software from just about any computer and is commonly used by IT systems for alarms.

 

A few quirks I have observed with different systems:

  • Bosch alarms come out factory set with the ‘passwd’ password, I have found that they are faster and more cost effective to use the ‘mnmail’ password which allows the alarm to send multiple SMS messages for a single dial in to 125107.
  • Customers with alarms using the Rhino SMSIB board need to make sure the mobile number is correct as these appear to keep dialling 125107 indefinitely if it cannot send a message.
  • Johnson Controls Metasys 5.1 can generate checksum errors for certain messages, changing the text of the offending message usually solves this.
  • Honeywell Enterprise Buildings Integrator R410 does not include the PG1 that prefixes the password resulting in a password failure, this (PG1) can be added to the beginning of the password as a workaround.
  • A batch of Hills/DAS Comnav boards generate checksum errors which can lead to more calls to 125107 than necessary, this can be resolved by re-flashing the comnav board. Care must be taken when removing mobile numbers from these alarms as it is possible for the alarm to try and send an SMS with no mobile number which fails.
  • Some SCADA systems concatenate all alarm messages into one SMS sometimes exceeding the maximum message length of 240 characters. This is a design issue that users need to be aware of.

Above all test your system, the message and the numbers it is supposed to send SMS message to.

  

Do’s and dont’s:

  • Do make sure the alarm system has been configured for a limited number of attempts in the event of a failure to send a message.
  • If you remove all the mobile numbers from an alarm, make sure the alarm will not keep dialling up and sending an SMS with no number to send to. (It happens!) You may also need to disable the SMS feature.
  • Make sure the fixed service is not barred from sending SMS messages.
  • Make sure the fixed service does not have "CLI blocking Only"(Product code LBONLY) or SMS send blocking (Product code SMSSNO), contact Telstra on 132200 (Residential) 132000(Business) to check/change this. Customers who wish to have a silent line and retain the SMS sending functionality must use the silent line type "CLI Line Blocking with Override" (Product code LBWOR)
  • Please test an SMS to all destinations to make sure that the numbers are correct.
  • Where you have a self monitored burglar alarm, do let all of the recipients know that they are on the receiving list of your alarm messages.
  • Do not exceed 240 characters in the message text. 240 characters limit is maintained to allow compatibility with the existing PET/TAP paging protocol but the text will be truncated to 160 characters for an SMS message. Message texts exceeding 240 characters will fail to send.

 

 

 

Version history
Revision #:
6 of 6
Last update:
May 2017
Updated by:
 

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