Siemens Gigaset SL400H
Siemens Gigaset SL400H is one of the finest designer phones equipped with modern technology. The device has a compact size, looks modern and expensive. Body and buttons of Siemens Gigaset SL400H are made of metal, are nicely lit up and give a stylish look. The large color display is not only safe for the eyes, but also very functional.
The device is equipped with a Bluetooth interface, with which, it updates the phone phonebook, by synchronizing with the computer. The model is equipped with voicemail and speakerphone with a transparent clear sound.
One of Gigaset SL400H features is implementation of energy-saving technologies, „ECO DECT”, using which device consumes minimum power. For user convenience, the phone provides the ability to upload and view photos, as well as to assign them to corresponding numbers in a phonebook.
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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