Best Sip 4 Fxs

Grandstream GS-HT704 4 Port Analog Telephone Adapter for Home or Office VoIP Phone and Device

  • 2/4 FXS analog telephone port, 10/100 Mbps port.
  • Status LED for power, internet, LINK/ACT and phone status.
  • Advanced telephony features include caller ID, call waiting.
  • 3-way voice conference, transfer, forward, do not disturb, message indicator, multi-language voice prompts, T.38 fax, flexible dial plan and more.
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Grandstream GXP2135 IP Phone 8-Units with UCM6208 8 Port IP PBX Gigabit

  • Integrated 2 pstn trunk fxo ports, 2 analog telephone FXS ports with lifeline capability in case of power outage, and up to 50 SIP trunk accounts.
  • 1 GHz arm cortex A8 application processor, large memory (512MB ddr Ram, 4GB nand flash), and dedicated high-performance multi-core dsp array for advanced voice processing.
  • Gigabit network port(s) with integrated PoE, USB, SD card.
  • integrated NAT router with advanced QoS support.
  • Supports up to 500 users, 50 SIP trunks, and up to 30 concurrent calls.
  • Comprehensive security protection using SRTP, TLS and HTTPS with hardware encryption accelerator, Fail2ban, Whitelist, Blacklist, alerts and more to protect against attacks.
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Algo 8301 IP Voice Paging Adapter & Bell Scheduler

  • Easy and intuitive web interface to configure scheduled announcements, tones, bells, music, etc..
  • Superb audio clarity and intelligibility - no hum or noise.
  • Network managed and supervised SIP and multicast endpoint.
  • Eliminates narrowband FXS port or ATA ~ Multicasting capability to include Algo IP speakers and strobes.
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Grandstream Powerful 2-Port ATA with Gigabit NAT Router

  • Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports.
  • Includes a built-in NAT router which can handle routing speeds up to 100MBps.
  • TLS and SRTP security encryption technology to protect calls and accounts.
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Grandstream HT801 Single-Port Analog Telephone Adapter

  • Grandstream ATAs are trusted and deployed by some of the largest service providers in the world..
  • Supports 1 SIP profile through a single FXS port and a single 10/100Mbps port.
  • TLS and SRTP security encryption technology to protect calls and accounts.
  • Automated provisioning options include TR-069 and XML config files.
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Grandstream GXP2135 8-Pack IP Phone Enterprise High Performance 8lines with 4 SIP Accounts, HD Audio

  • Integrated 2 pstn trunk fxo ports, 2 analog telephone FXS ports with lifeline capability in case of power outage, and up to 50 SIP trunk accounts.
  • 1 GHz arm cortex A8 application processor, large memory (512MB ddr Ram, 4GB nand flash), and dedicated high-performance multi-core dsp array for advanced voice processing.
  • Gigabit network port(s) with integrated PoE, USB, SD card.
  • integrated NAT router with advanced QoS support.
  • Supports up to 500 users, 50 SIP trunks, and up to 30 concurrent calls.
  • Comprehensive security protection using SRTP, TLS and HTTPS with hardware encryption accelerator, Fail2ban, Whitelist, Blacklist, alerts and more to protect against attacks.
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2-Port VoIP SIP Phone Adapter - GT202 Wireless Router Supports WiFi Asterisk ATA VOS FXS Fax Suitable for Home or Business Black

  • GT202-voip adapter is a personal voice assistant that enables inexpensive and stable VoIP calls..
  • GT202 voip phone WiFi compatible 2.4G wireless device: mobile phone computer wireless smart device access use..
  • Rich interface 2 FXS support SIP protocol,telephone T.38 fax, 2 JR45 network ports connect computer DSL or router..
  • What you get, 1 * GT202 adapter, 1 * power adapter, 1 * network cable, 1 * user manual.
  • The SIP phone adapters come with a one year warranty and a friendly and fast after-sales service..
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Yeastar S100 VoIP PBX Phone System

  • ...ll allow you to use your cell phone as an extension of your office phone system. A great standard feature that will save you time money when you're traveling outside your office..
  • CHOOSE PHONE COMPANY LINES and/or VoIP phone Lines. The system supports connections of up to 2 standard telephone lines and the use of 12 SIP VoIP lines. 2 FXS ports allow for connections to standard cordless extensions or fax machines. Supports up to 16 concurrent calls. It also supports the use of remote, off-premises extensions with complete system functionality..
  • FULLY LOADED SYSTEM – No additional fees apply. The system support various types of SIP extensions (desksets) – not limited to a single manufacturer. Need a cordless extension to integrate with this system? No problem! System will support cordless extensions by Grandstream, Panasonic and more. Need a conference room speakerphones? Add Polycom, Grandstream as well as many other SIP phone providers to this system..
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Panasonic KX-T7731 24 Button Display Phone Black

  • NEVER LOSE A CALL. Complete mobility features allow automatic call forwarding of your office calls to your cell phone - just one way to enjoy this robust system that is loaded with features such as voice mail to email, call waiting, caller ID and more. Additionally, a dedicated standard app (no license or usage fees) will allow you to use your cell phone as an extension of your office phone system. A great standard feature that will save you time money when you're traveling outside your office..
  • CHOOSE PHONE COMPANY LINES and/or VoIP phone Lines. The system supports connections of up to 4 standard telephone lines (provided by companies such as Comcast, Spectrum, Verizon Fios, Altice, Time Warner, Frontier, AT&T, CenturyLink, Cable One etc.) and the use of 12 SIP VoIP lines. 2 FXS ports allow for connections to standard cordless extensions or fax machines. Supports up to 16 concurrent calls. It also supports the use of remote, off-premises extensions with complete system functionality..
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