Aastra Telecom is pleased to announce the availability of a maintenance software release for the 67xi Series and the 9xi Series of SIP telephones.

Release 2.5.1 delivers enhancements to previous functionality and fixes, improving day-to-day use and deployment of Aastra IP phones. This release includes:

• Fixes to software bugs reported from the field
• Support of additional root certificates
• New parameter to reject an INV or BYE if they contain an unsupported value in the REQUIRE header

Details on these new features and fixes can be found in the 2.5.1 Release Notes. Please visit www.aastratelecom.com and click on “Support” and then select “Download Area” to obtain the new firmware and associated Release Notes.