A1757-0131-10-55 Mitel 6700i Series SIP Handset

The Mitel A1757-0131-10-55 is an Aastra 6757i SIP telephone supplied with its power adapter. The 6757i is a feature-rich IP handset designed for business users who require a high-quality, reliable desk phone with advanced functionality. It features a large backlit LCD display, nine programmable softkeys, and full-duplex speakerphone capability.

The 6757i was designed for deployment on SIP-based IP telephony platforms and is compatible with a wide range of PBX systems, including Mitel MiVoice and third-party SIP platforms. The handset supports multiple line appearances, XML browser applications, and integrates with common unified communications environments.

Originally developed by Aastra before the company was acquired by Mitel, the 6757i is now a legacy product. However, it remains in widespread use across enterprise installations where proven reliability and interoperability are valued. Including the power adapter ensures the unit is ready for immediate deployment without requiring PoE infrastructure.

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