AVM Networks Limited delivers an integrated suite of wholesale telecommunications services tailored for global carriers, mobile network operators, VoIP resellers, and high-volume communication platforms. Explore our core service architectures below.
High-capacity international A-Z wholesale VoIP termination designed for licensed network operators, wholesale aggregators, and enterprise contact centers. Operating via direct bilateral SIP interconnects, our termination service utilizes dynamic Least Cost Routing (LCR) optimized for Post Dial Delay (PDD), Answer Seizure Ratio (ASR), and Average Length of Call (ALOC).
• Bilateral SIP Interconnects: Establish SIP trunks authenticated via static public IP addresses. Supports SIP Digest authentication and domain-based SRV routing for flexible carrier interconnect architecture.
• Strict CLI Preservation: Authentic Calling Line Identification (CLI) transmission delivered through licensed in-country operators, mitigating the risks of caller ID masking and regulatory blocking.
• Automated LCR Engine: Multi-carrier routing logic that continuously evaluates route economics alongside strictly enforced ASR and PDD technical thresholds.
• STIR/SHAKEN Compliance: Cryptographic identity signing and PASSporT attestation across applicable North American (NANP) and international regulatory corridors.
Read Full Technical Specifications for A-Z Wholesale VoIP →
Direct SIP termination engineered specifically for VoIP platforms, CPaaS providers, and enterprise cloud PBX environments. Deliver precise signaling execution, accurate G.711/G.729 codec negotiation, and optional cryptographic media security across global termination legs.
• RFC 3261 SIP Signaling: Rigorous SIP protocol implementation ensuring accurate Session Description Protocol (SDP) negotiation and RFC 2833 dual-tone DTMF relay.
• Optimized Connection Latency: Engineered routing paths designed to minimize signaling delays across intermediate carrier tandems for immediate session establishment.
• Media Payload Security: End-to-end TLS signaling encryption combined with Secure RTP (SRTP) media encryption for voice payload protection.
• Disconnect Cause Code Telemetry: Standard RFC 3326 Reason headers mapping ITU-T Q.850 release cause codes directly to your switch for accurate call failure diagnostics.
Read Full Technical Specifications for SIP Termination →
Establish bilateral SIP peering directly with our switching fabric at major carrier-neutral colocation facilities. Designed for national operators, Tier-2 carriers, and wholesale exchanges demanding high-density traffic swap capabilities and multi-gigabit voice transit.
• Bilateral Traffic Swap: Execute balanced, two-way traffic commitments and reciprocal voice termination routing structures with specialized credit and settlement terms.
• Carrier-Neutral Interconnection: Direct physical cross-connects and public IP peering supported at Equinix facilities in London, Frankfurt, Singapore, and New York.
• High-Density Session Capacity: Hardware Session Border Controller (SBC) clusters capable of negotiating thousands of concurrent voice sessions per bilateral trunk.
• IPv4 & IPv6 Peering: Dual-stack network connectivity to ensure protocol translation and routing compatibility with legacy and next-generation carrier backbones.
Read Full Technical Specifications for SIP Interconnection →
Elastic SIP trunking designed to connect on-premises and cloud-hosted PBX systems—such as Asterisk, FreeSWITCH, 3CX, Cisco CUCM, and Microsoft Teams—to the global PSTN. Delivers immediate channel elasticity, DID routing, and verified Caller ID presentation.
• PBX Interoperability: Certified interoperability across standard RFC 3261 IP-PBX systems, enterprise session border controllers, and contact center dialers.
• Dynamic Concurrency: Instantaneous channel elasticity accommodating abrupt inbound and outbound traffic peaks without manual administrative provisioning.
• Trunk Partitioning: Logically segment SIP credentials, concurrent channel limits, and rate thresholds by department, branch, or tenant.
• Optional Media Encryption: Apply TLS signaling encryption and SRTP media payload encryption to secure corporate communications traversing public networks.
Read Full Technical Specifications for SIP Trunking →
International SMS Termination with 100% direct carrier white routes, sub-2s OTP delivery SLA, and transparent International Termination Rates (ITR). High-capacity wholesale A-Z A2P messaging gateway delivering mission-critical notifications, 2FA OTPs, and enterprise broadcasts directly to licensed Mobile Network Operators (MNOs) across 110+ countries over a multi-homed IPX messaging backbone with SMPP v3.4 multi-bind transceivers and real-time handset DLR receipt validation.
• Cross-Border MT SMS Routing: End-to-end Mobile Terminated (MT) delivery pipeline connecting enterprise applications to destination operator SMSCs via direct bilateral links and Tier-1 IPX interconnects.
• Origin-Based Rating (OBR) Engine: Automated prefix intelligence that prevents unexpected origin surcharges while guaranteeing transparent per-delivered-message billing across all destination corridors.
• High-Density SMPP v3.4 Binds: Multi-threaded transceiver sessions scaling to 500+ TPS per bind with automated sliding window pipeline management and sub-5ms internal queue dispatching.
• Authentic Handset DLR Telemetry: True radio-level delivery receipt callbacks directly from destination mobile devices with standardized mapping for DELIVRD, UNDELIV, and EXPIRED disposition states.
Read Full Technical Specifications for International SMS Termination →
Dedicated Application-to-Person (A2P) International SMS Termination infrastructure designed strictly for mission-critical two-factor authentication (2FA) OTPs, fraud alerts, and transactional banking notifications. Connect via REST API or high-throughput SMPP v3.4 to leverage isolated priority queues, verified sender ID registration, and sub-3.5s global delivery SLAs.
• Isolated OTP Priority Lanes: Dedicated low-latency carrier queues that bypass bulk promotional traffic to ensure immediate dispatch of time-sensitive authentication tokens.
• Global Carrier Compliance & Sender ID: Turnkey compliance mapping for US 10DLC Campaign Registry, India TRAI DLT, Singapore SSIR alphanumeric pre-registration, and EU GDPR privacy standards.
• Dynamic Route Quality & Failover (QBR): Intelligent softswitch logic that continuously monitors delivery latency and instantly shifts traffic to redundant bilateral interconnects if primary links degrade.
• Real-Time Asynchronous Webhook DLRs: Instantaneous HTTP POST webhooks returning exact delivery timestamps, handset confirmation status, and carrier network error codes.
Read Full Technical Specifications for A2P SMS Gateway →
Direct carrier SMS SMPP termination operating on standardized SMPP v3.4 protocol specifications. Engineered for telecom aggregators, SMS brokers, and enterprise CPaaS platforms requiring continuous high-TPS transceiver binds and bidirectional submit_sm/deliver_sm routing.
• Multi-Bind Transceivers: Full support for Transmitter (TX), Receiver (RX), and Transceiver (TRX) connection modes against clustered messaging gateways.
• Adjustable Sliding Window: Modify sliding window parameters and unacknowledged PDU buffers to maximize throughput across varying network latency profiles.
• Bidirectional MO Routing: Process inbound mobile-originated (MO) SMS replies via deliver_sm PDUs, enabling interactive two-way messaging campaigns.
• Enquire_Link Keep-Alives: Automated polling mechanisms that verify socket health and initiate rapid TCP reconnection in the event of link failure.
Read Full Technical Specifications for SMS SMPP Termination →
Integrate international SMS capabilities into any software architecture using our developer-centric JSON REST API. Dispatch messages, retrieve live delivery receipts, and process inbound responses with minimal development overhead.
• JSON Request Schemas: Standardized RESTful HTTP endpoints processing intuitive JSON payloads containing destination, origin, text, and webhook callback URLs.
• Asynchronous Webhooks: HTTP POST webhooks immediately transmit final delivery statuses, inbound mobile replies, and account threshold notifications.
• Cross-Language Compatibility: Accessible via standard HTTP libraries across Node.js, Python, PHP, Java, Go, and C# environments.
• Dedicated Developer Sandbox: Test payload structures, validate authentication, and simulate DLR webhooks without incurring commercial messaging charges.
Read Full Technical Specifications for SMS API →
Connect to the Meta WhatsApp Business API to deliver rich conversational messaging to a massive global user base. Transmit verified brand communications, interactive templates, and authentic two-way customer support utilizing robust REST infrastructure.
• Cloud API Connectivity: Programmatic integration into the Meta WhatsApp Cloud API supporting high-volume dispatch and strict template compliance.
• Verified Business Profiles: Register official corporate identities including business description, logo, and the Meta-verified green checkmark.
• Interactive Messaging Templates: Deploy approved message templates incorporating image headers, PDF attachments, dynamic CTA buttons, and quick-reply options.
• Two-Way Conversational Sessions: Process inbound inquiries and automate chatbot dialogues within the standard 24-hour customer service window.
Read Full Technical Specifications for WhatsApp Business API →
Transform standard text interactions into native mobile application experiences via Rich Communication Services (RCS). Deliver high-resolution visual carousels, verified brand indicators, and interactive action chips directly to compliant Android handsets.
• GSMA Universal Profile Execution: Engineered against the GSMA Universal Profile standard to ensure interoperability across supporting mobile network operators.
• Verified Brand Sender Identity: Establish absolute trust by presenting official corporate names, logos, and verification badges within the native messaging client.
• Rich Media Carousels: Organize complex product offerings, event tickets, or travel itineraries utilizing swipeable, multi-card image arrays.
• Automated SMS Fallback: Intelligent network probing instantly routes the payload as a standard SMS containing a dynamic URL if RCS is unsupported at the destination.
Read Full Technical Specifications for RCS Business Messaging →
Dispatch high-capacity Multimedia Messaging Service (MMS) payloads across carrier networks with direct MM4, MM7, and SMPP interconnects. The gateway dynamically transcodes media assets to satisfy strict operator limits, ensuring guaranteed visual delivery.
• Extensive Media Attachments: Transmit high-resolution JPEG, PNG graphics, animated GIFs, MP4 video files, and structured PDF documents.
• Dynamic Asset Transcoding: Server-side media processing automatically scales and compresses files to match specific handset and carrier resolution constraints.
• Extended Character Payloads: Support extensive textual descriptions accompanying the media asset without incurring multi-part SMS concatenation fees.
• Granular Delivery Reporting: Track explicit MMS delivery states and handset retrieval confirmations asynchronously via HTTP webhooks.
Read Full Technical Specifications for Wholesale MMS Gateway →
OmniSender is AVM Networks’ campaign management software for organizing and dispatching business communications from one workspace. Teams can plan campaigns across supported SMS, voice, WhatsApp, MMS, and email channels, prepare message content, and review available delivery events. Channel access and capabilities depend on account setup, destination coverage, and applicable messaging rules.
• Multi-Channel Campaign Workspace: Plan and manage campaigns for supported SMS, voice, WhatsApp, MMS, and email channels from a shared workspace.
• Audience Organization: Organize recipient lists and campaign audiences before dispatch; confirm supported import formats and list controls for your account.
• Message Content Preparation: Prepare campaign content and supported message templates for the selected channel.
• Campaign Reporting: Review channel-specific delivery events and campaign activity where reporting is available.
Read Full Technical Specifications for OmniSender →
IVR Blaster is software for planning outbound voice campaigns with recorded or configured voice messages and interactive keypad (DTMF) steps where enabled. Teams can use it for reminders, notifications, and surveys. Calling routes, transfer options, and campaign controls depend on deployment and destination requirements.
• DTMF Keypad Collection: Capture recipient key presses (e.g., "Press 1 to speak to an agent") and route calls dynamically based on the input.
• Text-to-Speech (TTS) Generation: Prepare voice prompts using supported text-to-speech options or uploaded recordings, subject to the selected deployment.
• Live Agent Transfer: Seamlessly bridge active calls to a live call center queue upon specific DTMF input for immediate escalation.
• Answering Machine Detection (AMD): Use available answering-machine detection settings where supported by the configured voice platform.
Read Full Technical Specifications for IVR Blaster →
Execute massive outbound voice broadcasts to deliver critical alerts, community notifications, and promotional audio messages rapidly. Engineered for absolute scale, bypassing interactive menus to focus purely on high-speed audio delivery.
• Extreme Concurrency: Leverage vast SIP trunk capacity to dial tens of thousands of numbers simultaneously for time-critical alerts.
• Time-Zone Aware Dialing: Automated scheduling algorithms ensure calls are only placed during compliant, permissible hours based on the destination area code.
• Dynamic Caller ID: Present localized or specific verified Caller ID numbers to increase answer rates and trust.
• Detailed Disposition Reporting: Granular logs indicating precise call outcomes, including No Answer, Busy, Failed, and exact duration of audio playback.
Read Full Technical Specifications for Bulk Voice →
Enterprise Email is AVM Networks software for managing application and campaign email delivery. It supports integration through configured email interfaces and tools for sender-domain authentication and delivery-event review. Sending reputation and inbox placement depend on recipient consent, message quality, domain setup, and mailbox-provider policies; delivery is not guaranteed.
• Dedicated IP Architecture: Ask about dedicated sending IP availability and account requirements for your email workload.
• Authentication Compliance: Use SPF, DKIM, and DMARC domain authentication to help mailbox providers verify authorized senders.
• SMTP & REST API Integration: Connect via standard SMTP relays for legacy applications or utilize modern REST APIs for dynamic programmatic sending.
• Engagement Tracking: Review delivery events exposed by the configured account and integration.
Read Full Technical Specifications for Enterprise Email →
HLR Lookup is a number-intelligence service for checking mobile-number status and, where supported, network portability or roaming information. Results depend on country coverage, operator response, and the data available on the route; they do not verify identity or confirm whether a message will reach its destination.
• Real-Time Network Query: Request number-status information on supported destinations through the configured lookup service.
• MNP (Mobile Number Portability) Resolution: Return portability or current-network information where the destination and route provide it.
• Roaming Status Detection: Roaming information may be returned where supported by the destination route.
• Data Cleansing API: Use the available API to incorporate lookup results into an application workflow, subject to account access and coverage.
Read Full Technical Specifications for HLR Lookup →
WhatsApp Sender & CRM combines campaign management and customer conversation workflows in one platform. WhatsApp business account approval, templates, messaging permissions, conversation windows, and available features are subject to Meta policies and account configuration.
• Campaign and Template Management: Prepare business messaging campaigns and templates for accounts and message categories approved for use.
• Integrated Multi-Agent CRM: Organize customer conversations in the available team workspace and review interaction history supported by your account.
• Automated Drip Sequences: Configure follow-up workflows where supported, while respecting messaging windows, recipient preferences, and channel policies.
• Interactive CTA Templates: Use supported interactive message formats when enabled for the business account and approved template.
Read Full Technical Specifications for WhatsApp Sender & CRM →
RCS Sender is campaign software for preparing rich, interactive messages for compatible RCS destinations. Sender verification, available message formats, delivery reporting, and any SMS fallback depend on market, operator, device, and account configuration.
• Verified Brand Sender IDs: Prepare sender branding for verification where the relevant RCS provider and destination support it.
• Rich Media Carousels: Prepare rich media and interactive content using formats supported by the selected destination.
• Interactive Action Buttons: Configure suggested actions where the selected RCS platform and destination support them.
• SMS Fallback Redundancy: An SMS alternative can be configured where available; fallback behavior and delivery are not universal or guaranteed.
Read Full Technical Specifications for RCS Sender →
Deploy autonomous AI chatbots across WhatsApp, RCS, SMS, Web, and Voice. Powered by advanced conversational LLMs and domain-specific knowledge bases, our Chatbot AI handles 80%+ of routine customer inquiries 24/7 with human-like accuracy.
• Omnichannel Brain: Build your conversational workflow once and deploy seamlessly across WhatsApp, RCS, Webchat, SMS, and IVR voice bots.
• Knowledge Base Grounding: Ground your bot in your company documentation, rate cards, FAQs, and product catalogs to eliminate hallucinated answers.
• Human Agent Escalation: Detect frustrated sentiment or complex requirements to smoothly bridge conversations to live agents in the CRM inbox.
• Actionable Workflow Triggers: Connect directly to your backend APIs to check order status, verify account balances, generate quotes, or book meetings in real time.
Read Full Technical Specifications for Chatbot AI →
Purpose-built CRM engineered for telecommunications providers, aggregators, and digital agencies. Manage bilateral carrier accounts, reseller pipelines, customer support tickets, and multi-channel campaign dispatch records from a single pane of glass.
• Unified Customer Inboxes: Consolidate voice recordings, SMS threads, WhatsApp chats, and email communications into a singular customer profile timeline.
• Deal Pipeline Tracking: Visual Kanban pipelines tailored for carrier bilateral agreements, wholesale rate deck negotiations, and enterprise sales.
• Automated Lead Attribution: Track incoming leads across digital campaigns, referral portals, and inbound VoIP calls with automatic routing to sales reps.
• Reseller Sub-Account Management: Provision and govern multi-tier reseller organizations with isolated billing credits, rate markups, and permission controls.
Read Full Technical Specifications for CRM Platform →
MMS Campaign Platform helps teams prepare multimedia message campaigns for supported mobile destinations. Media formats, payload limits, sender options, delivery receipts, and availability vary by carrier and route, so confirm destination requirements before launch.
• Rich Media Delivery: Prepare supported image, audio, or video assets for MMS delivery where the destination route allows them.
• Long Text Support: Compose accompanying text within the limits supported by the destination carrier and message format.
• Automated Media Transcoding: Confirm whether media resizing or transcoding is available for your deployment and route.
• Subject Line Headers: Use optional MMS subject fields only where supported by the message format and recipient network.
Read Full Technical Specifications for MMS Campaign Platform →
AVM Networks CPaaS suite empowers software developers, aggregators, and enterprises to embed programmatic real-time communications directly into their digital applications. Access carrier-grade wholesale infrastructure through intuitive REST APIs and SDKs.
• Voice Calling API: Programmatically initiate outbound calls, bridge conferences, play audio TTS, and record calls with sub-second API latency.
• Global Messaging API: Single unified REST endpoint for SMS, MMS, WhatsApp Business, and RCS messaging with automated failover logic.
• Number Verification & HLR API: Verify subscriber status, detect ported carriers (MNP), and send one-time authentication codes (2FA) with a highly reliable carrier-grade SLA.
• Real-Time Webhook Engine: Receive instantaneous asynchronous webhook notifications for call status, DTMF presses, delivery receipts, and inbound replies.
Read Full Technical Specifications for CPaaS Suite →
Comprehensive Software-as-a-Service (SaaS) cloud platforms developed in-house by AVM Networks. Deliver turn-key communications services to your end-clients with fully managed infrastructure, automated billing, and white-label custom domain branding.
• White-Label Custom Branding: Host platforms on your own custom domain (CNAME) with your logo, color schemes, customized favicon, and branded email notifications.
• Multi-Tenant Billing Engine: Automate customer credit management, payment gateway integration (Stripe, PayPal, Wire), and customized profit markups.
• Managed Cloud Infrastructure: Fully hosted and managed on AVM Networks geo-redundant carrier cloud with automated backups, scaling, and DDoS protection.
• Multi-Tier Sub-Reseller Panels: Empower your customers to create their own sub-reseller networks, creating recursive recurring revenue streams.
Read Full Technical Specifications for SaaS Platforms →
High-capacity Class 4 softswitch designed for international voice carriers and wholesale transit providers. Executes precision Least Cost Routing (LCR), rigorous CDR processing, and multi-protocol signaling mediation required to orchestrate vast bilateral interconnect networks.
• Dynamic Least Cost Routing (LCR): Automated routing engine evaluating multi-carrier rate decks in real time to optimize margins against stringent ASR and PDD SLA thresholds.
• Real-Time Billing Engine: Integrated prepaid and postpaid billing execution, providing accurate CDR reconciliation, concurrent channel enforcement, and automated invoicing.
• Signaling Protocol Mediation: Seamless protocol interworking (e.g., SIP to H.323 translation) bridging disparate networks across global interconnects.
• Fraud Detection & Mitigation: Heuristic analysis algorithms monitoring traffic patterns to instantly identify and block suspected toll fraud, Wangiri attacks, and unauthorized caller ID manipulation.
Read Full Technical Specifications for Voice Switch →
A comprehensive Cloud PBX environment replacing legacy on-premises hardware. Delivers robust unified communications capabilities, extensive IVR configuration, and secure SIP trunking integration for modern distributed workforces and contact centers.
• Advanced Call Routing: Construct complex multi-tier IVR menus, time-of-day routing conditions, and hunt groups utilizing an intuitive visual interface.
• Unified Communications: Integrates voice calling, voicemail-to-email transcription, video conferencing, and internal presence indicators.
• Call Recording & Archiving: Automated compliance recording with encrypted, searchable storage repositories for quality assurance and regulatory adherence.
• Remote Workforce Ready: Seamless deployment across hardware IP phones, desktop softphones, and native mobile applications securely connected via TLS.
Read Full Technical Specifications for Cloud PBX →
Enterprise and carrier-class Session Border Controllers designed to secure the IP perimeter. Provides cryptographic media protection, SIP normalization, topology hiding, and hardware-accelerated media transcoding at the network edge.
• Topology Hiding & Security: Conceals internal network architecture from external peers, preventing reconnaissance and mitigating SIP-based DoS/DDoS attacks.
• Hardware Media Transcoding: DSP-accelerated codec translation (e.g., G.729 to G.711) ensuring interoperability without consuming general compute resources.
• SIP Header Normalization: Granular SIP manipulation rules resolving protocol incompatibilities between differing vendor implementations across interconnects.
• Call Admission Control (CAC): Strict enforcement of concurrent session limits and registration rates to protect internal softswitches from traffic inundation.
Read Full Technical Specifications for SBC →