MX25: Multifunction SIP GatewayMX25: Multifunction SIP Gateway

Zultys Technologies

MX25: Multifunction SIP Gateway 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

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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

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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

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Mode 1: SIP Gateway, example 1a

• Connect SIP network to PSTN

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Mode 1: SIP Gateway, example 1b

• Connect additional PSTN to MX250

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Mode 1: SIP Gateway, example 2a

• Connect SIP network to analog devices

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Mode 1: SIP Gateway, example 2b

• Add analog devices to MX250

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Mode 1: SIP Gateway, example 3

• Connect SIP network to PSTN and analog phones

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Mode 1: SIP Gateway, example 4

• Connect telephony systems to SIP Network

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Mode 1: SIP Gateway, example 5

• Connect telephony systems over WAN

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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

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Mode 2: MX250 Extender, example 1

• Extend MX250 services for 25 users at branch office

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Mode 2: MX250 Extender, example 2

• Local PSTN access for MX250 at branch office

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Mode 2: Communication failure to MX250

• Remote survivability for MX250 users at branch office

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Mode 2: Communication failure to MX250

• Call routing example without WAN

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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