Reference, Firmware upgrade – Aastra Telecom SIP 57I User Manual
Page 485
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Upgrading the Firmware
41-001160-00, Release 2.1, Rev 04
8-9
Upgrading the Firmware
Firmware Upgrade
Reference
For more information about setting automatic update on the IP phone, see the
"auto resync mode" and "auto resync time" parameters, see Appendix A, the
section,
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