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Overview of the MX25 Multifunction SIP Gateway: Enhancing SIP Connectivity and Telephony

The MX25 Multifunction SIP Gateway provides versatile solutions for connecting SIP networks to PSTN, enabling seamless communication between analog devices and telephony systems. Offering two operational modes, it can extend MX250 services to branch offices while ensuring local PSTN connectivity and survivability over WAN failures. With multiple telephony interfaces, including 8 FXO, 8 FXS, T1, E1, and ISDN BRI options, the MX25 adapts to various environments. It facilitates remote operation and simple management from the main office, allowing for effective toll bypass configurations.

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Overview of the MX25 Multifunction SIP Gateway: Enhancing SIP Connectivity and Telephony

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  1. MX25: Multifunction SIP Gateway Zultys Technologies

  2. Overview of Mode 1 of Operation • SIP Gateway • connect SIP network to PSTN • connect analog devices to SIP network • connect telephony systems to SIP network • connect telephony systems over WAN MX25: Multifunction SIP Gateway

  3. Overview of Mode 2 of Operation • Extender for MX250 services • facilitates full MX250 functions at branch office • local PSTN connectivity to MX250 at branch • remote site survivability • operation when WAN fails MX25: Multifunction SIP Gateway

  4. Telephony Interfaces • PSTN cards available • 8 analog FXO • 8 analog FXS • 1 T1 (ISDN or CAS) • 1 E1 (ISDN) • 4 ISDN BRI (S/T) • Any combination to 30 channels • three interface slots MX25: Multifunction SIP Gateway

  5. Mode 1: SIP Gateway, example 1a • Connect SIP network to PSTN MX25: Multifunction SIP Gateway

  6. Mode 1: SIP Gateway, example 1b • Connect additional PSTN to MX250 MX25: Multifunction SIP Gateway

  7. Mode 1: SIP Gateway, example 2a • Connect SIP network to analog devices MX25: Multifunction SIP Gateway

  8. Mode 1: SIP Gateway, example 2b • Add analog devices to MX250 MX25: Multifunction SIP Gateway

  9. Mode 1: SIP Gateway, example 3 • Connect SIP network to PSTN and analog phones MX25: Multifunction SIP Gateway

  10. Mode 1: SIP Gateway, example 4 • Connect telephony systems to SIP Network MX25: Multifunction SIP Gateway

  11. Mode 1: SIP Gateway, example 5 • Connect telephony systems over WAN MX25: Multifunction SIP Gateway

  12. Mode 2: Configuration of MX25 • Fully provisioned from Admin UI of MX250 • PSTN interfaces, users, devices • included in dial plan • software upgrades • Does not require IT skills at branch office • View operation and status from main office • Permits toll bypass without additional provisioning MX25: Multifunction SIP Gateway

  13. Mode 2: MX250 Extender, example 1 • Extend MX250 services for 25 users at branch office MX25: Multifunction SIP Gateway

  14. Mode 2: MX250 Extender, example 2 • Local PSTN access for MX250 at branch office MX25: Multifunction SIP Gateway

  15. Mode 2: Communication failure to MX250 • Remote survivability for MX250 users at branch office MX25: Multifunction SIP Gateway

  16. Mode 2: Communication failure to MX250 • Call routing example without WAN MX25: Multifunction SIP Gateway

  17. MX25 is more than just a SIP gateway • Modular telephony access • PSTN access to T1, E1, ISDN S/T, or analog FXO • PSTN combined with analog devices (FXS) • Extend MX250 services to branch office • over LAN or WAN • over Internet through VPN • Remote site survivability when WAN fails • continued operation in mode 2 • internal dial plan MX25: Multifunction SIP Gateway

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