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aastra 55I SIP IP PHONE firmware download Phone device custom update


Firmware for Phone aastra 55I SIP IP PHONE

On this page you are offered with firmware for 55I SIP IP PHONE Phone existing in our database. Icons placed on the left of file name will prompt you in which format and in what language firmware download aastra 55I SIP IP PHONE Phone are represented in this file.

If the needed file doesn't exist, therefore the desired firmware is missed in our database. It can be ordered in the File Request section.

You can also try to find the appropriate firmware for kindred Phone aastra models by clicking on the links shown below.