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Signalling & Core

SS7 Signalling Gateway

Bridge your IP-based telecom infrastructure to legacy SS7 PSTN and GSM networks using the MOBITELSMS SS7 gateway. Full MAP, ISUP, SCCP, TCAP, MTP3, M3UA, and SCTP stack — enabling SMS delivery via HLR lookup, voice interconnect with PSTN carriers, and mobility management for MVNO deployments.

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Available Plans

Choose Your Plan

Select the option that best fits your needs. Yearly billing saves you money and waives setup fees.

Most Popular
SS7-SMPP Gateway — Enterprise
Carrier-grade SS7/MAP to SMPP gateway with redundant signalling links, full MTP3/SCCP/TCAP/MAP stack, and high-throughput SIGTRAN M3UA transport. Designed for Tier-1/2 operators and aggregators with high-volume A2P and P2P SMS traffic requiring 99.999% availability.
$1,500/mo
Billed monthly + $0.00/ss7 transaction
$15,000/yr Save 17%
$1,250/mo · billed annually
+ $2,500 setup fee
No setup fee
  • ✓$0.004 per MAP transaction
  • ✓Redundant signalling links (2+2)
  • ✓Full MTP3/SCCP/TCAP/MAP stack
  • ✓SIGTRAN M3UA over SCTP
  • ✓GT-based and PC-based routing
  • ✓SRI-SM & MT-Forward-SM
  • ✓HLR/HSS query support
  • ✓DLR correlation across protocols
  • ✓Real-time CDR & billing
  • ✓Dedicated IPSec tunnel
  • ✓24/7 NOC monitoring
  • ✓15-min SLA response
  • ✓Dedicated account manager
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SS7-SMPP Gateway — Standard
Entry-level SS7/MAP to SMPP gateway trunk for operators and MVNOs starting with SS7 interconnection. Single signalling link pair with GT-based routing, SRI-SM and MT-Forward-SM support. Perfect for regional operators with moderate A2P/P2P SMS volume.
$800/mo
Billed monthly + $0.01/ss7 transaction
$8,000/yr Save 17%
$667/mo · billed annually
+ $1,500 setup fee
No setup fee
  • ✓$0.008 per MAP transaction
  • ✓Single signalling link (1+1)
  • ✓MTP3/SCCP/TCAP/MAP stack
  • ✓SIGTRAN M3UA over SCTP
  • ✓GT-based routing
  • ✓SRI-SM & MT-Forward-SM
  • ✓DLR correlation
  • ✓Real-time CDR & billing
  • ✓IPSec tunnel included
  • ✓Email & ticket support
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SCTP Signalling Transport
Dedicated SCTP multi-homed transport links for SS7/SIGTRAN and Diameter signalling. Multi-path redundancy with automatic failover, configurable heartbeat, and IPSec encryption. Ideal for operators requiring raw signalling transport without protocol conversion.
$800/mo
Billed monthly
$8,000/yr Save 17%
$667/mo · billed annually
+ $1,500 setup fee
No setup fee
  • ✓SCTP multi-homed transport
  • ✓Automatic path failover
  • ✓Configurable heartbeat intervals
  • ✓IPSec encrypted tunnels
  • ✓M3UA / M2PA / M2UA support
  • ✓Diameter SCTP transport
  • ✓Up to 16 SCTP associations
  • ✓Traffic shaping and QoS
  • ✓Dedicated signalling IP addresses
  • ✓99.999% uptime SLA
Get Started

* Setup fees are one-time charges. Choose yearly billing and your setup fee is automatically waived.

What Is SS7

The Backbone of Global Telecommunications

SS7 (Signalling System No. 7) is the protocol suite that interconnects the world's telephone networks — managing call setup, SMS routing, subscriber location, and roaming. Despite being developed in the 1970s, SS7 remains essential for interoperating with traditional PSTN and GSM networks. The MOBITELSMS SS7 gateway encapsulates SS7 over SIGTRAN (M3UA/SCCP) and presents a modern API for SMS delivery, HLR queries, and voice signalling.

Features

SS7 Gateway Capabilities

MAP SMS (MO & MT)
Send and receive SMS via GSM MAP protocol — Mobile Originated (MO-Forward-SM) and Mobile Terminated (MT-Forward-SM). Direct integration with the MOBITELSMS SMS routing layer bridges MAP to SMPP and HTTP API delivery.
HLR Queries
Send-Routing-Info (SRI) queries to any HLR for number portability resolution, subscriber status checks, and IMSI retrieval. Used for LNP, pre-routing validation, and anti-fraud screening before SMS and voice delivery.
ISUP Voice Signalling
ISUP (ISDN User Part) enables voice call setup and teardown with PSTN carriers over SS7 links. IAM, ACM, ANM, REL/RLC message handling with full cause code mapping to SIP response codes via the SIP-T gateway layer.
Full SIGTRAN Stack
M3UA over SCTP with multi-homing for link redundancy. SCCP Class 0/1 connectionless transport. TCAP dialogue management for MAP and CAP operations. Configurable point codes, subsystem numbers, and routing contexts.
SMPP Bridge
Inbound MAP SMS messages are automatically converted to SMPP DELIVER_SM and pushed to the platform's SMPP server. Outbound SMS routed via SS7 appear as standard SUBMIT_SM responses to applications — no MAP coding required.
CDR & Billing
Every MAP operation and ISUP call generates a CDR written to the platform's billing pipeline. SS7-originated SMS and voice traffic shares the same balance deduction and reporting infrastructure as SMPP and SIP traffic.
Technical Specifications

Specifications

SS7 ProtocolsMAP Phase 2+, ISUP, SCCP, TCAP
TransportM3UA/SCTP (SIGTRAN RFC 4666)
SCTP Multi-homingUp to 4 IP addresses per link
StackjSS7 (JSLEE-based)
Point Code FormatITU (3-8-3), ANSI (8-8-8)
SMS BridgeMAP ↔ SMPP 3.4
Voice BridgeISUP ↔ SIP-T
Management APIREST + SIGHUP hot reload

Connect to the SS7 Network

Our SS7 engineers handle point code assignments, SIGTRAN link provisioning, and carrier interconnect negotiation. You get a working SS7 gateway without the traditional complexity.

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