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The M60 Alarm Dialler for VoIP Phone Systems
As the UK nears the shutdown of the Public Switched Telephone Network (PSTN), organisations relying on traditional alarm diallers are seeking solutions that will remain functional in a digital environment. The M60 Alarm Dialler is a versatile and robust device designed for critical alarm communication with increasing VoIP adoption, the M60 offers an adaptable platform for transitioning to modern telecom networks without compromising safety or reliability.
What Is the M60 Alarm Dialler?
The M60 is an intelligent, multi-channel alarm dialler developed by Packs Infotel, designed to monitor industrial processes, building systems, and other critical equipment. It can be programmed to detect various alarm conditions and automatically notify designated contacts via phone call, SMS, or data messaging. The device is widely used in applications such as water treatment plants, power stations, lift alarms, and building management systems.
The M60 stands out for its high configurability, remote programming capability, and ability to handle multiple alarm inputs (up to 56 channels). Users can assign specific messages to different alarms, ensuring clarity and quick response in an emergency.
Working with VoIP Systems
The M60 Alarm dialler is purposely designed to connect to VoIP / Digital Voice systems. If you have a traditional PSTN lines then the M60 can make the transition to VoIP very straightforward.
The M60 provides multiple options for sending voice and or SMS messages;
- Using VoIP/Digital Voice: The M60 can use an internet connection to send voice alarm messages by utilising VoIP and Digital Voice services. The M60 comes with its own dedicated interface or can connect to a customer’s own VoIP/Digital Voice systems.
- Mobile GSM/4G Interface: For sites without stable internet, the M60 can be connected to a GSM or 4G mobile networks, allowing it to transmit Voice alarm message’s and SMS messages over the mobile network. This also adds resilience in the event of internet or power failure.
- Custom Integration: Packs Infotel offers customised setups and support to help users ensure seamless operation over VoIP, including SIP trunking solutions if required.
Future-Proof and Reliable
The M60’s flexible architecture makes it ideal for transitioning away from the PSTN. With built-in support for battery backup, remote diagnostics, and configurable failover options, it ensures that alarm communications continue uninterrupted — even during outages or network changes.
For organisations preparing for the digital switchover, the M60 dialler is a proven, adaptable, and reliable solution that bridges the gap between legacy infrastructure and modern VoIP-based systems.
The M60 Alarm dialler for VOIP Phone Systems standard features include;
- 4, 8, 16, 32 & 56 individual alarm inputs / channels.
- Individual Speech Messages for each input.
- Individual SMS Messages for each input.
- Fully VoIP and Digital Voice comliant
- Mobile/Cell communication Options.
- Internal Mains Failure Alarm Sensor.
- 48 Hour Internal Battery Backup.
- Fully Menu and Keypad Driven.
- IP56 Industrial Rated Enclosure.
Because the M60 is built by us in the UK if there are any special features you require for your project we can normally create them for you.
The above is only a small subset of the available features on the M60 Alarm dialler for VOIP Phone Systems; for a complete list visit the Standard Features and Optional Features pages or contact us for a quote.
Written by M60 GSM Alarm Dialer
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M60 Alarm Dialler Digital Voice / VoIP
The M60 was specifically designed for seamless compatibility with Digital Voice and VoIP systems, ensuring full compliance with all VoIP or Digital Voice platforms.
For over 20 years, both our current M60 and previous alarm dialer systems have been successfully connecting to and operating with Digital Voice and VoIP technology.
What is Digital Voice & VoIP?
VoIP (Voice over Internet Protocol) and Digital Voice allow phone calls to be made over the internet instead of traditional analogue PSTN (copper) phone lines.
When you place a call using a Digital Voice or VoIP service, your provider establishes a virtual phone line between you and the recipient over the internet. This experience is typically seamless and comparable to using an analogue line.
In the UK, the shutdown of PSTN analogue lines is planned for completion by the end of 2027. Other countries may have different timelines, with potential exceptions or delays to their published schedules.
Purchasing a New M60
If you’re purchasing a new M60 for use with a VoIP or Digital Voice system, please inform us at the time of purchase. We’ll ensure it includes the appropriate cables for seamless connection to your provider’s Digital Voice or VoIP system.
Migrating a Current System to Digital Voice & VoIP
Migrating an M60 or M30 from a standard PSTN analogue line to a Digital Voice or VoIP system is a simple process, with all existing features and functions remaining fully operational.
In most cases, it only requires reconnecting the existing phone cabling to your new Digital Voice system.
GSM Modules
Our GSM modules are fully compatible with Digital Voice and VoIP systems.
If your current GSM module uses a PSTN connection, migrating to a Digital Voice or VoIP system is typically a straightforward process, requiring only a simple rewire.
SMS Modules
Our Global SMS Modules operate using a SIM card and connect wirelessly to mobile/cellular networks, eliminating the need for PSTN or Digital Voice/VoIP systems.
If you would like more information on Digital Voice & VoIP please Contact us.
Written by M60 GSM Alarm Dialer
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We have released our new updated Global SMS module for our M60 Alarm Dialer, with this new module, you can receive instant alerts via text message when there is an issue with your industrial equipment/site/process etc, ensuring that you are always aware of any problems and can take action immediately.
Our SMS module is designed with the latest technology, providing reliable and secure communication between your M60 Alarm Dialer and your phone. Whether you are on-site or off-site, you can rest assured that you will receive timely alerts and updates, ensuring that you can respond quickly to any issues.
With easy installation and setup, our SMS module is a effective solution for enhancing the functionality of your new or current M60 or M30. It is compatible with a wide range of phone networks, making it the perfect choice for a variety of industries.
LTE and GSM Connectivity.
The SMS module can use the LTE and also the GSM network. Our system has been designed to allow customers to default to best type of network in their area to provide strong coverage.
Networks.
Our new SMS module takes a standard Micro SIM card, this can be either on a contract or Pay As You Go basis.
Messages
The SMS module allows the M60 Alarm Dialer to send individual SMS messages when an alarm occurs. Each input can be separately configured with its own user definable message, this allows you to simply identify the issue. i.e. Instead of getting a “Channel 1 alarm” SMS message you could get a “Power Failure in the Main Laboratory” SMS message.
Global Connectivity.
Our new Module was designed with the global market in mind, so it is fully compatible with all phone networks around the world.
Regions.
Europe, North America, Asia, Australia, Africa, APAC.
GSM/EDGE Bands.
B2 (1900), B3 (1800), B5 (850), B8 (900).
LTE Bands.
B1 (FDD 2100), B2 (FDD 1900), B3 (FDD 1800), B4 (FDD 1700 / AWS), B5 (FDD 850), B8 (FDD 900), B12 (FDD 700ac), B13 (FDD 700c), B17 (FDD 700bc), B18 (FDD 800), B19 (FDD 800), B20 (FDD 800DD), B26 (FDD 850), B28 (FDD 700), B39 (TDD 1900).
Backwards Compatible.
If you currently have an M60 or the older M30 then our 2023 SMS module is fully backwards compatible and can be fitted to your current machine or older SMS modules can be swapped out and replaced with the new version of the SMS module in just a few minutes.
*The only exceptions are some of the early verions of the M30, they will require some upgrades.
Features
The M60 SMS Alarm Dialer standard features include;
- 4, 8, 16, 32 & 56 individual alarm inputs / channels.
- Individual Speech Messages for each input.
- Individual SMS Messages for each input.
- PSTN & Mobile/Cell Options.
- Internal Mains Failure Alarm Sensor.
- 48 Hour Internal Battery Backup.
- Fully Menu and Keypad Driven.
- IP56 Industrial Rated Enclosure.
Because the M60 is built by us in the UK if there are any special features you require for your project we can normally create them for you.
The above is only a small subset of the available features on the M60 SMS Alarm Dialer; for a complete list visit the Standard Features and Optional Features pages or contact us for a quote.
Written by M60 GSM Alarm Dialer
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M60 Sapphire Edition Released
We have just released the M60 Sapphire Edition of our M60 Alarm Dialler, this has been released to celebrate our 65th year in business.
Since 1958 we have been designing Alarm diallers to help protect various industries including, Power/Gas & Oil Stations, Chemical, Pharmaceutical, Building Control systems, Refrigeration, Water Control, Livestock, Waste Control & Landfills.
Our M60 Sapphire Edition is the 10th alarm dialler we have produced since 1958, previous versions include the Mk1, MK3, Level 8, Mk12, Mk12c, MM20, MD20, M30, M60.
Not only is this the special anniversary edition, but it is also the most advanced version we have ever produced. The M60 Sapphire edition comes with our new global SMS module, 4G Mobile/Cell Phone Voice connectivity and the ability to connect to VOIP Digital communications systems.
Other Features include;
- 4, 8, 16, 32 & 56 individual alarm inputs / channels.
- Individual Speech Messages for each input.
- Individual SMS Messages for each input.
- VOIP Digital Connectivity.
- PSTN & Mobile/Cell Options.
- Internal Mains Failure Alarm Sensor.
- 48 Hour Internal Battery Backup.
- Fully Menu and Keypad Driven.
- IP56 Industrial Rated Enclosure.
Our Industrial Alarm diallers have come a long way since our very first version 1958 with its voice messages being stored on reel to reel tape, below are some of the earlier models.
Photos of the Mk1, Mk3, MM20 and MD20 Alarm Diallers.
For more information visit the Standard Features and Optional Features pages or contact us for a quote.
Written by M60 GSM Alarm Dialer
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SIM Alarm Dialer
The M60 Sim Alarm Dialer is a purpose built automatic Alarm Dialer for use in industrial/commercial settings where there is a need to monitor critical processes / systems / buildings / livestock / people etc. The M60 can send SMS and or Voice Messages over the 2G, 3G and 4G mobile/cell phone networks inorder to send the notification of alarms to the required recipients.
Alarm Inputs
The M60 Sim Alarm Dialer comes in 4, 8, 16, 32 and 56 input versions. Every Alarm Input on the M60 comes with its own individual User Recordable/definable voice alarm message and also SMS alarm message (if applicable).
This allows you define messages to enable to easily identify what alarm has been triggered. E.g. Instead of “Alarm 1” you could get “High Temp In Building Beta” 
Alarm inputs can be NO/NC (Normally Open/Normally Closed) volt free contacts or with the analogue upgrade you can set up triggers on 4 to 20 ma, 0 to 10 ma, 0 to 20 ma, DC Voltage and Potentiometric transducers.
SIM Card
The M60 can accept any standard full sized mobile/cell phone SIM card, the main exception are the “special” SIM Cards that automatically swap to the strongest networks. Unless you are have the Email upgrade you don’t need any data allowance on your phone contract, just voice and SMS.
Before use we recommend that the voicemail and PIN numbers are removed before use and some networks may need to you provide the IMEI number in order to connect to their network (this is mainly in the USA).
We would recommend you get the SIM card for whichever network has the strongest signal in the installation location and also to get it on contract if possible so you don’t have to worry about running out of credit
Features
The M60 comes with many features as standard including; An integrated battery backup, integrated mains failure detection, protected inputs, alarm outputs that can be used to trigger external devices such as sirens or strobes and also a large user friendly keypad and backlit LCD display.
Below are a small number of the features that come either as standard or as options.
The M60 SIM Alarm Dialer standard features include;
- 4, 8, 16, 32 & 56 individual alarm inputs / channels.
- Individual Speech Messages for each input.
- Individual SMS Messages for each input.
- PSTN & Mobile/Cell Options.
- Internal Mains Failure Alarm Sensor.
- 48 Hour Internal Battery Backup.
- Fully Menu and Keypad Driven.
- IP56 Industrial Rated Enclosure.
Because the M60 is built by us in the UK if there are any special features you require for your project we can normally create them for you.
The above is only a small subset of the available features on the M60 SIM Alarm Dialer; for a complete list visit the Standard Features and Optional Features pages or contact us for a quote.
Written by M60 GSM Alarm Dialer
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