convergence
● Islamabad, Pakistan · Est. 2002
Product
Portfolio
Open-source telecom systems integration — carrier-grade platforms for Tier-1 MNOs, MVNOs, and aggregators. Built by a senior team with 25+ years of combined expertise.
CAMEL · SS7 · SIGTRAN
FreeSWITCH · OpenSIPs
ClickHouse · Grafana
AI / LLM Integration
Temporal Workflows
WebRTC
convergence.pk
// 01 — company overview
Who We Are
Established in 2002 in Islamabad, Pakistan, Convergence brings 25+ years of telecom engineering expertise to deliver end-to-end, open-source-based solutions. We specialize in building custom, high-performance systems that are rapidly deployable, fully scalable, and tightly integrated with operator networks — all while maintaining cost efficiency and minimal operational overhead.
Our small, highly-skilled core engineering team enables rapid prototyping, agile development, and delivery of minimum viable products for demanding telecom environments — without marketing fluff or unnecessary complexity.
Founded2002, Islamabad, Pakistan
TeamSenior engineers & architects
ClientsTier-1 MNOs, MVNOs, SMS/voice aggregators
FocusOpen-source telecom systems integration
// technical capabilities
Voice & Messaging
SIP / VoIPWebRTCFreeSWITCHOpenSIPsSMSCSMPPKannelRestcomm
Signaling & Network
CAMEL / INSS7SIGTRANMAPGMLCM3UASCCPHLR/HSS
AI & Data
LLM IntegrationSTT/TTSClickHouseGrafanaMetabaseKafkaML/Analytics
Platform & Integration
Temporal WorkflowsPythonREST/gRPCPostgreSQLDocker/K8sOSS/BSS
01
convergence · confidential
High-throughput SMSC and CAMEL IN platform integration built on Restcomm/Mobicents. Supports SS7, SIGTRAN, and SCCP interworking between legacy and IP-based core networks. Designed for Tier-1 operators requiring carrier-grade reliability and high message throughput.
Mobicents / Restcomm
JAIN SLEE and SIP Servlets. Custom messaging and voice services. Seamless OSS/BSS integration.
SMPP & SMSC
High-performance SMPP SMSC via Restcomm and Kannel. Advanced routing, load balancing, delivery reporting.
SIGTRAN (MAP, GMLC)
M3UA, SUA, SCTP for SS7-over-IP. Interworking between legacy SS7 and modern VoIP/SIP networks.
FreeSWITCH & OpenSIPs
Carrier-grade VoIP switching, SBC, and high-volume SIP routing. Real-time CDR and API-driven call control.
// use cases
- Carrier-grade SMSC and SMPP gateways
- CAMEL IN platform for prepaid charging
- SS7 to IP migration / SIGTRAN deployment
- Custom messaging APIs on Restcomm
- SIP-based voice switching platforms
// tech stack
RestcommMobicents
KannelFreeSWITCH
OpenSIPsCAMEL
SS7SIGTRAN
M3UA / SCTPSMPP
02
convergence · confidential
High-performance Fraud & Revenue Assurance platform combining real-time call/SMS monitoring with CAMEL-based inline blocking. Supports 10M+ blacklisted number lookups at sub-100ms and 5,000+ concurrent calls/sec in clustered deployments. Fully integrated with RAFM systems.
Camel Inline Blocking
Intelligent call/message filtering in real-time. 10M+ blacklisted numbers, <100ms response, 5,000 calls/sec clustered.
Real-Time Fraud Detection
SIM cloning, subscription fraud, spam, premium-rate abuse. Inline or nearline with dynamically updated rules.
Clustered HA Architecture
Horizontal scaling, automatic failover. Integration with FreeSWITCH, OpenSIPs, and core signaling networks.
RAFM Integration
Direct interfaces for Revenue Assurance & Fraud Management. End-to-end monitoring, reporting, and corrective actions.
// use cases
- Inline blocking of blacklisted numbers
- Premium SMS and roaming fraud detection
- Revenue assurance via real-time verification
- High-volume SS7/SIP network monitoring
- RAFM and OSS/BSS integration
// tech stack
CAMELSS7
SIGTRANSMPP
SIPFreeSWITCH
OpenSIPsClickHouse
RestcommRAFM APIs
03
convergence · confidential
Next-generation web-enabled call centre and AI-powered conversational IVR. Supports STT/TTS in Urdu, Pashto, Dari, Arabic, and English. LLM integration (OpenAI, DeepSeek, on-prem). Up to 5,000 concurrent calls per cluster. Designed for MNOs, MVNOs, banks, and enterprise service providers.
Web-Enabled Call Centre
WebRTC browser agents. Inbound/outbound/blended. Skill-based routing, predictive dialing, CRM/OSS/BSS integration.
Conversational AI IVR
Real-time STT → LLM/NLU → TTS pipeline. Context-aware natural language interactions. Multiple AI backend support.
Multilingual TTS/STT
Urdu, Punjabi, Pashto, Dari, Farsi, Arabic, English. High-quality, low-latency synthesis for regional markets.
Scale & HA
5,000 concurrent calls per cluster. Horizontal scaling, geo-redundant failover. Open-source core for cost efficiency.
// use cases
- AI-driven customer support & self-service
- Multilingual voice bots for native markets
- Smart routing for high-volume call centres
- Integration with SMSC, OSS/BSS, CRMs
- STT/AI for security and monitoring
// tech stack
FreeSWITCHOpenSIPs
WebRTCOpenAI
DeepSeekGoogle STT
Azure CognitiveLocal LLMs
SMPPSIP/IMS
04
convergence · confidential
High-performance, petabyte-scale data warehousing and analytics for telecom operators handling massive volumes of CDRs, SMS logs, IoT data, and network KPIs. Built on ClickHouse — billions of rows ingested per hour, millisecond query response at petabyte scale.
Petabyte ClickHouse Clusters
Billions of rows/hour ingestion. Optimized for CDRs, charging records, KPI logs. Horizontal scaling for growth.
Real-Time Dashboards
Grafana for network/subscriber/service KPIs. Multi-tenant, role-based access for NOC, finance, and management.
Self-Service Analytics
Metabase for exploratory analytics and custom reports. Automated billing, churn, QoS, and fraud reports.
AI/ML Integration
Plug-in ML workflows. Churn prediction, fraud pattern detection, routing optimization. TensorFlow/PyTorch ready.
// use cases
- CDR & billing analytics / fraud detection
- Network KPI dashboards (2G/3G/4G/VoLTE)
- Customer churn prediction and QoS tracking
- IoT & M2M device telemetry analytics
- Revenue assurance and leakage control
// tech stack
ClickHouseGrafana
MetabaseApache Superset
KafkaRabbitMQ
REST APIsTensorFlow
PyTorchETL Pipelines
05
convergence · confidential
// 06-09 — additional platforms
More Platforms
💬
Operator-Controlled OTT Platform: Own Your Customer Communications
Operator-controlled WhatsApp alternative. Native Android/iOS with WebRTC, AI-assisted messaging, E2E encryption, and full SIP/IMS/billing integration.
WebRTCMatrix/XMPPE2E EncryptedAI
⚙️
Real-Time Subscription Management: Instant Service Provisioning with Audit Trails
Real-time HLR/IN service provisioning with Temporal workflow orchestration. Agent & customer portals, full audit trails. Prepaid, postpaid, hybrid.
TemporalHLR/INPythonPostgreSQL
🪪
Real-Time SIM Management: Prevent Fraud with Instant HLR Provisioning
Real-time MSISDN/IMSI provisioning in HLR/HSS. KYC/ID verification. Remote sales shop inventory control. Fraud prevention for SIM swapping.
HLR/HSSKYCSIGTRANTemporal
🧪
Network Testing & Simulation: Validate Performance Before Going Live
SIP and SMPP generators for route validation, load testing, and SLA monitoring. Measures latency, jitter, MOS, throughput. 10,000+ calls/sec scalable.
SIPpSMPPMOSPrometheus
// our approach
// 01
Open-Source First
Best-in-class open stacks, customized for carrier grade.
// 02
Idea → MVP → Prod
Rapid prototyping to production without losing rigor.
// 03
Deep Telecom DNA
25+ yrs in SS7, CAMEL, SMPP, SIP, HLR/IN.
// 04
Tailored Solutions
Every deployment designed for your network from scratch.
06
convergence · confidential