Synway SMG1004B-4S 4 Port Analog Telephone Adapter FXS VoIP IP Gateway T.38 FAX SIP Asterisk Lync FreePBX Compliant Free Technical Lifetime Warranty

Description

With a simple and economical way to help legacy telephone, fax machine and PBXs interconnect with IP network, Synway SMG1004B analog gateway enables call center and multi-branch enterprises to process powerful, versatile and efficient VoIP solutions with unparalleled cost advantages. SMG1004B Analog Gateway allows for a well-planned, phased migration to an IP network, making the gateways an easy solution for enterprises looking to enhance their legacy PBX equipment with new VoIP access and applications. Connected between a PBX or a LAN, the SMG1004B Gateway converts analog PSTN messages into a format suitable for transmission over standard IP networks. Designed for voicemail and unified messaging applications, SMG 1004B has a 10/100 Base-T Ethernet connection for connecting legacy PBX to a LAN. The analog loop start functionality supports integration via in-band signaling (DTMF or FSK) or serial protocols. The SMG1004B Gateways provide a simple, cost-effective transition to voice and data convergence for enterprises with PBXs. Connected externally, they offer an IP solution that works with current legacy equipment. They support SIP-based applications as well as T.38 for fax transmissions over IP (FoIP). Signaling & Protocol SIP signaling Supported protocol: SIP V1.0/2.0, RFC3261 Audio Encoding & Decoding G.711A 64 kbps G.711U 64 kbps G.729A/B 8 kbps G723 5.3/6.3 kbps G722 64 kbps AMR 4.75 kbps iLBC 13.3/15.2 kbps Sampling Rate 8kHz Safety Lightning resistance Level 4