SMPP SMS Gateway

Cloud SMS Gateway platform with advanced routing, reliability and capacity.

SMPP SMS Gateway

Get and operate your own bulk SMS gateway service using the Melrose Labs SMPP SMS Gateway platform. Our cloud-based platform enables you to operate your own gateway and manage customers, billing, supplier connections, routing and reporting. Use the SMPP SMS Gateway to start a business in mobile messaging, provide your organisation with their own messaging capability, or to upgrade your existing platform with greater reliability, capacity and capability.

SMS gateway platforms, such as the Melrose Labs SMPP SMS Gateway, are an essential core element that enable the reliable delivery of SMS messages between customers and mobile users. The SMPP SMS Gateway not only handles the technical aspects of conveying messages from your customers, via your suppliers and onto mobile users, but also allows you to monetise the service and charge your customers for the SMS traffic that they send and receive. Prepay and postpay charging models are supported and traffic rating allows you to apply different pricing based on factors such as destination/origin, time-of-day, outbound (A2P) / inbound (P2A) and SMS features (a sub-set of dynamic SMS pricing).

Short Message Peer-to-Peer (SMPP) is the API that is used to enable your customers to connect with SMPP SMS Gateway and for the gateway to connect with your suppliers. REST, SOAP, HTTP, SMTP and other SMS APIs are available to aid integration with customers and suppliers.

SMS admin portal 0

Administration Portal


Settings for your SMS gateway that cover billing, routing, user access, operations, services and plans.


Customer accounts and contacts. Customer portal access. SMPP and other API accounts.


Pricing for each plan of a service. Define mark-up and volume discounting. Pricing is automatically calculated and changes notified to customers.


Suppliers for your SMS gateway. SMSC connection details, groups and route costs. SMSC maintenance periods.


Define routes and their use of MSISDN cache, retry profiles, failover and SMSC groups.


Reports covering customers, networks and suppliers. Delivery latency of suppliers by country, network and/or SMSC.


View status of worldwide gateway nodes and SMSC connections. Query for the status of messages submitted by customers.


Margin, cost and revenue analysis. See cost and revenue opportunities and vulnerabilities.


Management reporting, including revenues, costs, margin and tax.


Reporting on billing activity. Automatically create invoices and payment reminders. Create invoices and credit notes. View pre-pay and post-pay account balances.


Block traffic by MSISDN, source address, message content and parameters. View firewall event log.

SMPP SMS Gateway architecture

Melrose Labs SMPP SMS Gateway Features

Customers connect to your SMPP SMS Gateway using SMPP. This allows them to send and receive messages. Other APIs are available.

  • SMPP v3.3, v3.4, v5
  • SMPP over TLS
  • IP whitelist
  • Limit number and type of binds
  • Limit geographic access (e.g. require connection only to Europe nodes)
  • Multiple character sets supported
  • SMPP transmitter, receiver and transceiver binds supported
  • Customer-specific delivery receipt error codes
  • Limit submit rate (SMS/sec)
  • Flow control and congestion avoidance (SMPP v5)
  • Up to 10,000 SMS/sec throughput

Supplier SMSCs and SMS gateway are connected to from your SMPP SMS Gateway. Connections are maintained from any of the worldwide access nodes, with multiple connections to multiple geographically separate supplier endpoints being recommended.

  • SMPP v3.3, v3.4, v5
  • SMPP over TLS
  • Conversion to/from SMSC character set
  • Supplier-specific delivery receipt error codes
  • Up to 10,000 SMS/sec throughput
  • Define maintenance periods (temporarily pause using SMSC in run-up to maintenance)

The message store is used to securely hold submitted messages while delivery is being attempted, or delivery has been scheduled for a later date. It also retains the status of any message processed in the last 7-days.

  • Outbound (MT SMS, A2P SMS) and inbound (MO SMS, P2A SMS) stores
  • Scheduled delivery
  • Validity period
  • Limit messages per destination
  • Block sending to specific MSISDNs
  • Status retrieval via SMPP up to 7-days after completion

Sophisticated routing supports a variety of scenarios and needs to ensure messages are delivered as quickly as possible within defined policies.

  • Retry profile for failed messages
  • Multiple routes for each destination, with failover
  • Multi-part (concat/long SMS) handling
  • Route selection based on message characteristics (originator, data coding, protocol ID, message content, etc)
  • In-band supplier price negotiation
  • Route suspension based on delivery success
  • Maximum cost limit
  • Network lookup (SS7, ENUM)
  • Supplier on-net/off-net ratio support
  • Traffic distribution across routes
  • Distribution based on level of outstanding messages
  • Up to 10,000 SMS/sec throughput
When utilising SS7 network lookup the result can be passed upstream in order to avoid the need to perform further lookups.
  • Alarms:
    • Client delivery failures (aggregate/country/network)
    • Supplier delivery failures (aggregate/country/network)
    • Supplier connection state
    • Realtime traffic levels and outcomes
  • SNMP supported

Reports give key insights into customer usage of your SMS gateway, the resulting revenue from their usage, and associated costs. The dashboard on the administration portal shows key information about customers, volumes, revenues, costs and margins. Performance of the service and its suppliers is also reported.

  • Top customers
  • New customer performance
  • Volume reports by client/supplier/network
  • Revenue reports
  • Cost reports (inc. estimated vs actual costs)
  • Margin reports
  • Supplier route delivery latency

Analysis of cost-per-message (CPM), revenue-per-message (RPM) and margin-per-message (MPM) for customers, countries and networks also provides important insights.

  • Revenue opportunities/vulnerabilities: where fractional or % price increase/reduction impacts margin
  • Cost opportunities/vulnerabilities: where fractional or % cost reduction/increase impacts margin
  • Client pricing: automatically calculate based on plan; send pricing change notifications to customers
  • Supplier pricing: process pricing changes from supplier; schedule pricing changes
  • Bill customers (PDF invoices sent to customers; audit trail for import to sales ledger)
  • Prepay and postpay for clients
  • Traffic rating
  • Suitable for bulk SMS

Nodes for customer access and supplier connections are located worldwide. Your customers can, subject to how you configure their account, access your gateway using any of the worldwide nodes. Service is the same regardless of the access node used.

Restrictions can be enabled to ensure that a customer's messages remain within a region and are not sent by the service outside of that region.

  • Europe (UK)
  • Europe (Frankfurt)
  • Africa (South Africa)
  • Middle East (Bahrain)
  • North America (US)
  • South America (Brazil)
  • Asia (Singapore)
  • Oceania (Australia)

Live  Coming Soon  Planned

The management portal allows you to manage your SMPP SMS Gateway service.

  • Client admin (up to 100k accounts)
  • Supplier admin (up to 5000 routes)
  • Gateway control
  • Management API (TBC)
  • High reliability
  • High availability (>99.999%)
  • Scalable to demands
SMPP SMS Gateway service architecture

Tyr SMS Gateway

Needing routes for use with your existing gateway or SMPP SMS Gateway service? If you are looking for an SMS gateway supporting SMPP, with existing connections for terminating SMS to >1000 networks worldwide, then we recommend that you use the Tyr SMS Gateway service.

SMSC Simulator : SMS Application Testing

Looking to test your SMS application or SMS-enabled application? Our SMSC Simulator service allows you to test using the SMPP protocol v3.3, v3.4 and v5. Read More >

6 months free-of-charge

Try SMPP SMS Gateway without charge for up to 6-months from service launch. Sign-up for announcements to find out more when we launch later this year.

At a later date, we will also be offering white label versions of our webSMS portal, emailSMS service, and Campaign Solo text marketing portal.

Announcements sign-up

Service snapshot

  • Customer management (up to 100k accounts)
  • Supplier management (up to 5000 routes)
  • Sophisticated routing with 10000 SMS/sec throughput
  • Pricing management, traffic rating and billing
  • Monitoring and reporting
  • A2P SMS
  • P2A SMS

Find out more...

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