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Introduction to SMG-SS7

Introduction to SMG-SS7. Konrad Hammel Sangoma Technologies. Outline. SMG-SS7 Asterisk Architecture Wanpipe/TDM Voice API Ss7boxd Ss7boost Sangoma Media Gateway Chan_Woomera. SMG-SS7 Architecture. Wanpipe/TDM Voice API/XMTP2 API. Wanpipe

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Introduction to SMG-SS7

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  1. Introduction to SMG-SS7 Konrad Hammel Sangoma Technologies

  2. Outline • SMG-SS7 Asterisk Architecture • Wanpipe/TDM Voice API • Ss7boxd • Ss7boost • Sangoma Media Gateway • Chan_Woomera

  3. SMG-SS7 Architecture

  4. Wanpipe/TDM Voice API/XMTP2 API • Wanpipe • Hardware drivers that control data flow from hardware to kernel space • TDM Voice API • Sangoma’s API that allows user space access to voice channels • XMTP2 API • Open source kernel space API that controls the flow of MTP2 messages

  5. SS7Boxd and SS7boost SS7boxd SS7Boost Daemon that handles ISUP Aware of Voice CICs and their location Handles call SS7 call generation and reception • Daemon that controls the XMTP2 API • Configures and Controls the SS7 signaling links • Establishes MTP2 and MTP3 Connections

  6. Sangoma Media Gateway • Go between SS7 and soft-switch • Controls flow of voice channels • Handles DSP functions • Communicates to SS7boost through the “Boost” protocol • Communicates to soft-switch via an Woomera Server

  7. Chan_Woomera • Asterisk Channel driver (Woomera Client) • Uses TCP ports for signaling and UDP ports for audio • Very simple Text based protocol • Audio is encoded in U-law or A-law • Forwards and Backwards Compatible • Load balancing and distributed computing

  8. Thank you.

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