Avaya IP Deskphones 1100 and 1200 Series SIP Software Release 4.1

1100 and 1200 Series IP Deskphone SIP Software Release 4.1

SIP Release 4.1 for Avaya 1100 and 1200 Series IP deskphones was made generally available in April 2011. This is NOT the latest release of SIP software for installation on Avaya 1100 and 1200 Series IP deskphones. The latest release is recommended for new development.

Important The following end of sale and end of support dates have been announced:
Avaya IP Deskphone Models: 1120E, 1140E

End of sale: Jun 12, 2021
End of Support: Jun 12, 2023
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Avaya IP Deskphone Models: 1165E

End of sale: Jun 10, 2019
End of support: Jun 10, 2021
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Avaya IP Deskphone Models: 1200 Series

End of sale: Mar 11, 2019
End of support: Mar 11, 2022
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For all new development, Avaya recommends that developers use the latest available SIP software release for 1100 and 1200 Series IP deskphones.

Overview Downloads

Features in the new release

SIP Release 4.1 for Avaya 1100 and 1200 Series IP deskphones can be installed on Avaya 1120E, 1140E, 1165E, 1220, and 1230 IP Deskphones only.

SIP Release 4.1 for Avaya 1100 and 1200 Series IP deskphones introduces:

Enhancements for emergency / E911 services
Support for IP Office Release 7.0 including: IP Office mode, feature keys, Busy Lamp Field (BLF) with call pickup, directory access, programmable feature linekeys, and an alternative upgrade mechanism

For more information about what's new in SIP Software Release 4.1 for Avaya 1100 and 1200 Series IP deskphones, see the Readme file available under the Downloads - Release Information tab.