SIP IP Phone Models 53i, 55i, 57i, 57i CT Release Notes

Contacting Aastra Telecom Support

Contacting Aastra Telecom Support

If you’ve read this release note, and consulted the Troubleshooting section of your phone model’s manual and still have problems, please send inquiries via email to support@aastra.com.

RN-001029-00, Release 2.0.2, Rev 02

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Aastra Telecom 57I CT, 55I manual Contacting Aastra Telecom Support