Aastra Telecom is pleased to announce the availability of a significant new software update for the 5i series of SIP telephones – 53i, 55i, 57i, and 57i CT
Release 2.1 delivers many new features and functionalities, offering increased security and flexibility while enhancing user interfaces and simplifying deployment.
This release includes:
- Full interoperability with Sylantro’s SIP-B feature [...]