Fanvil BW535P
BW535P is a high-quality IP phone for advanced users and for office workers, designed with the expectation of maximum productivity and efficiency of daily work.
BW535P has integrated speakerphone that ensures high-quality conference communications. The phone supports up to three SIP-accounts and has 6 programmable keys.
BW535P uses next-generation chipset, which provides HD-voice quality and feature-rich friendly user interface. For service providers and carriers is supports customization program of LCD-display, XML-interface and brand.
Technical Characteristics:
SIP (RFC3261) and associated RFC support
IAX2 Support
Support for up to 3 SIP lines; connectivity with 3 different SIP servers at the same time
Codec: G.711A / u, G.723.1 high / low, G.729a / b, G.722, G.726
Echo Cancellation: G.168 with LEC, additionally - acoustic echo cancellation (AEC), which has 96 ms duration filtering mode speakerphone;
Support Voice gain settings, VAD, CNG
Full-duplex speakerphone;
Support for SIP domain, SIP authentication (none, basic, MD5), Domain Name Servers, calls pear-to-pear, IP calls
Support for DTMF: SIP info, DTMF Relay, RFC2833
9 ringtones and five optional custom ringtones
Session Initiation Protocol (SIP) is a text-based standard put in place by the Internet Engineering Task Force (IETF) and is the primary protocol for Voice over Internet Protocol services. SIP is similar to a MGCP in that it's a signaling protocol that can create, maintain and terminate sessions in IP-based networks. These sessions include multimedia conferencing and two-way phone calls. SIP protocol can run on User Datagram Protocol (UDP), Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP) because it was created to function independently from the underlying Transport Layer as an Application Layer.
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