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Introduction to SS7 – Part 3

Introduction to SS7 – Part 3. Konrad Hammel Sangoma Technologies. SMG-SS7 Architecture. FreeSWITCH. FreeSWITCH. Ftdm_core. Ftdm_core. Ftmod_io. Ftmod sangoma_ss7. Ftmod sangoma_ss7. Ftmod_io. SS. Relay. Relay. SS. Call Control. Call Control. ISUP. MTP3. MTP2. MTP2. Layer1.

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Introduction to SS7 – Part 3

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  1. Introduction to SS7 – Part 3 Konrad Hammel Sangoma Technologies

  2. SMG-SS7 Architecture FreeSWITCH FreeSWITCH Ftdm_core Ftdm_core Ftmod_io Ftmod sangoma_ss7 Ftmod sangoma_ss7 Ftmod_io SS Relay Relay SS Call Control Call Control ISUP MTP3 MTP2 MTP2 Layer1 Layer1 Voice Voice Signaling Signaling LibSangoma LibSangoma Wanpipe Wanpipe A10X A10X Master SMG Voice SMG

  3. SS7 Questionnaire • Forces customer to gather all needed information for the install • Gives a high level over-view of the inter-connect • http://wiki.sangoma.com/SMG-Questionnaire

  4. Link Errors (SUERMS) • Layer 1 framing errors • Currently show up as 2 types; ABORT & CRC • ABORT covers: HDLC Abort, FIFO and DMA • CRC covers: HDLC CRC & and HDLC Frame Error • Error print shows the ID ( [2] = mtp1 Id 2) [ERR] ftmod_sangoma_ss7_logger.c:87 sng_ss7->[THROTTLED][2]received 2 errors since last read; total errors since start 7 [ERR] ftmod_sangoma_ss7_logger.c:87 sng_ss7->[THROTTLED][2]Rx ABORT error

  5. Setup Scenario #1

  6. Setup Scenario #2

  7. Setup Scenario #3

  8. Appendix - .smg_cli_conf [default] host => 127.0.0.1 port => 8821 password => ClueCon debug => 2 loglevel => info key_f1 => /log 7 key_f2 => /log 6 key_f3 => ftdm ss7 show status mtp3 mtp3-1 key_f4 => ftdm ss7 show status mtp3 mtp3-2 key_f5 => ftdm ss7 show status mtp3 mtp3-3 key_f6 => ftdm ss7 show status span 1 chan 0 key_f7 => ftdm ss7 show status span 2 chan 0 key_f8 => ftdm ss7 show status span 3 chan 0 key_f9 => ftdm ss7 show status span 4 chan 0 key_f10 => key_f11 => key_f12 => version

  9. Thank you.

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