Grandstream HandyTone 701

Grandstream HandyTone 701 – is a powerful analog telephone adapter (ATA) of the next generation, which works through IP protocol.

This device is suitable for any individuals as well as for salesmen. Its ultra-small size, extraordinary quality of audio sound, rich functionality, reliable security, ease of use and unmatched price affordability allow the operators of communications to offer high quality IP telephony services at extremely competitive prices. HT701 is the perfect single-port analog telephone adapter for large-scale launch of commercial services of IP-telephony. It is based on a SIP standard and is compatible with the majority of the devices and programmable products of various producers supporting SIP protocol. HT701 has one FXS telephone port and one 10/100Mbit/s network port and led indicator lights.
Technical Characteristics: SIPv2 protocol Codec: G.711 Annex I/II, G.723.1, G.729A/B, G.726, iLBC, dynamic buffer of fluctuations delays, echo cancellation IP interface: 1xLAN (1 RJ-45 10/100 Base-T Eternet port) Analog interface: 1xFXS (1 RJ-11) Supported features: Display Caller ID, Caller ID blocking, notification of incoming call, transfer a call by pressing the Flash, a blind call transfer, followed by call transfer, call forwarding, call hold, restriction of incoming calls, three-way conferencing

Providers in database: 6433

SDP Protocols Are Used To Transmit Media Session Information

In 1998, the Internet Engineering Task Force (IETF) published the specification for a Session Description Protocol or SDP as a format that describes parameters for streaming media. The original IETF Proposed Standard was updated in 2006 as RFC 4566. Although the SDP was created as a feature of Session Announcement Protocol (SAP), it can be used with Real-time Transport Protocol, Real-time Streaming Protocol (RTSP), and Session Initiation Protocol, as well as a standalone protocol. Parameter negotiation, session announcement and session invitation are included in the descriptive sessions from the SDP protocol. Rather than transmit data like other types of protocols, an SDP negotiates between media type endpoints, format and properties involved. A session begins when a connection is established, and the session is terminated only after every endpoint is no longer participating.

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