- MP508/8S/SIP = 8-FXS

- MP504/4S/SIP = 24-FXS

- MP502/2S/SIP = 2-FXS

- Two RJ-11 FXS ports -  Two  10/100 Mbps RJ-45 Ethernet ports - Power button: Reset / Problem Reporting (PRT) - LED indicators: Power, Network, Phone 1, Phone 2, PRT - Wall mountable

- Two RJ-11 FXS ports - One 10/100 Mbps RJ-45 Ethernet port - Power button: Reset / Problem Reporting (PRT) - LED indicators: Power, Network, Phone 1, Phone 2, PRT - Wall mountable

- Toll-quality voice and carrier-class feature support - Large-scale deployment and management - Outstanding security - Compact size - Comprehensive feature set - Easy installation and changes -...

- Toll-quality voice and carrier-class feature support - Large-scale deployment and management - Outstanding security - Compact size - Comprehensive feature set - Easy installation and changes -...

- Increase in FXO port density to connect PSTN lines - Adds VoIP to a legacy TDM PBX or key system - Supports SIP standards for voice and data networking, for reliable voice and fax operation - Includes highly...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon network/power failure configurations -...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon network/power failure configurations -...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...

- Provides voice, fax and modem support - Offers toll quality voice compression - Enhanced capabilities (MWI, longhaul, Metering Tones, CID) - Allows Fallback to PSTN for E911 (PSTN breakthrough) or upon...