["The Fanvil i10D is an ultra-compact SIP intercom with two programmable buttons, ideal for indoor areas such as entrances to offices, hotels or schools. It offers HD audio, wall mounting and PoE. \"Including audio intercom i10 (1 button) /i10D (2 buttons) … Integrating with access control, audio/video intercom and broadcasting functions, Fanvil i10 series intercoms offer a high-quality communication solution for the users, help to achieve the long-distance control and enhance the environment security.\" \"The i10D (2 buttons) ... combines access control, audio/video intercom and broadcast functions - providing a high-quality communication solution, supporting remote control and improving the security of the environment.\" \"Fanvil i10D is an ultra-compact IP intercom for excellent communications at doorways. Designed for indoor installation, i10D fits in the hand … It has two programmable buttons for quick dialing an extension and unlocking the door. The built-in 1W speaker and microphone provide two-way, HD wideband audio … Acoustic echo cancellation further clarifies the sound.\" \"The i10D is an ultra-compact IP intercom for excellent communication at inputs. Suitable for indoor wall mounting and handy - two programmable buttons for speed dialing and door opening. With integrated 1W speaker and microphone for HD stereo audio... echo cancellation ensures clear intelligibility.\" Ideal for compact indoor entrance solutions – handy, powerful and reliable in door communication", "2 SIP lines", "2 programmable DSS buttons", "HD audio with G.711, G.729AB, iLBC, G.722, Opus", "1W speaker + echo cancellation", "PoE (IEEE 802.3af) or 12V DC", "Wall mounting, IP54 – dust and splash proof", "DTMF relay, microphone and loudspeaker circuit", "Wide compatibility: Asterisk, 3CX, Broadsoft, Elastix, Avaya and others"]