4 products for "voip gateway"

FEATURES The Grandstream GXW4501 is a digital VoIP gateway that allows digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecting the GXW4501 with a VoIP network and traditional PBX

FEATURES The GXW410x FXO gateway series enables businesses of all sizes to create and deploy a VoIP and analog hybrid solution. Make deployments easy by seamlessly connect multiple locations and all devices within

Description

 E1/T1/J1 Port: 1 (Support PRI, MFC R2, SS7, E&M)• Protocol: SIP (RFC3261)• Transport Protocol: UDP, TCP, TLS, SRTP• DTMF: RFC2833, SIP INFO, In-band• Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex•