Loudspeaker for phone

Cisco CP-7811 SIP  Open SIP landline phone, with 1 SIP line. Clear and secure communications The new range of Cisco 78XX phones free SIP guarantees reliable and highly secure voice communications. These phones are easy to use and inexpensive in relation to all the functionalities they offer. They support wideband audio for higher quality in your voice communications and advanced IP telephony functions to make calls in the most efficient and productive way. The Cisco 78XX range replaces the old SPAXX range. The basic entry-level model Cisco 7811 has 1 SIP line and many calling features: speed dial, adjustable ringtones and volume levels, adjustable display contrast, greeting, auto answering, reminders, call forwarding, call history, timer, call waiting, caller ID ... It is also possible to make conference calls and has language aid with more than 30 options available.The phone has the ability to identify incoming messages and categorize them, which makes it quick and easy to return calls using the speed dial feature. These phones have all certified authentications: image, device, file, signalling Features:  LED display with resolution: 384x106Voice code G.711a, G.722, G.729A , G.729B, iLBCEthernet LAN (RJ-45) Number of ports: 2Power over Ethernet (PoE): YesN & deg; of SIP lines: 1Answering machineIntegrated VoicemailCall waitingSpeed dialCall WaitingCall Transfer CapabilityConference CallRedialCaller IDBidirectional full (Full-duplex)Product colour Black, SilverPossibility of wall mounting

Terminal with 12 SIP accounts with extended functions for companiesYealink T43U is an ally for businesses with extended features to make their calls great. It is a 12-line IP phone that has a 3.7 '' black and white screen and is compatible with an extension module. With HD voice technology, your interlocutors will hear you perfectly as if it were a natural meeting. Yealink HD Voice TechnologyPowered by Yealink's Optima Voice HD technology and Opus' wideband codec, Yealink T43U gives you excellent audio quality and crystal clear voice communications. Also, this device has two USB ports, Bluetooth, Wi-Fi, USB headphone and USB recording, and any of them can be used freely according to your needs. Yealink's new T4U series offers the same stylish appearance as the T4 line, but with enhancements for greater interoperability and better collaboration.Features:Communications protocol: SIPLines: 12Puertos Ethernet: 2x GigabitPoE: 802.3af Clase 2Additional interfaces:2x USB-A 2.0RJ9 for headsetBluetooth: with Yealink BT40 / BT41 Dongle (not included)Wi-Fi: with Yealink WF40 / WF50 Dongle (not included)Display: 3.7 "360x160 backlit LCD Full-Duplex speakerConference: 3-wayAudio codecs:Banda ancha: AMR-WB, Opus, G. 722Banda estrecha: AMR-NB, Opus, G.711u / a, G.723.1, G.729AB, G.726, iLBCExpandable