DTMF Transportation Access Gateway with 16, 32, 48FXS, Combo FXS, FXO, Sip and MGCP Protocols

 

Features:

MGCP or SIP access gateways

SIP-PSTN analog gateway

Routing (based on called number or other criteria)

Radius based CDR for accounting

Stun customer for NAT transversal

Flexible interface for analog phones, fax, traditional PBX with analog trunks

Redundant power supply for optional

Hot swappable modules

Fax tone detection and codec bypass (T 30) and fax relay (T 38) function

G.711, G.723.1, G.729A codec and G.168 echo cancellation

DTMF transportation: transparent mode, RFC 2833 mode and SIP/INFO mode

Call features:

Message waiting indication

Call waiting and forwarding

Caller ID on call waiting

Call transfer (on busy, no answer and all)

Special purpose calling codes

Speed dial

Redials

Applications:

Remote SIP access gateway for IP-PBX

IP based wide area PBX for enterprise, government branches and schools

VoIP long distance application for IP phone supermarkets, enterprises carrier primary and secondary line services

Suitable for small and home offices