Aastra 53i Release Note page 6
Aastra 53i: release note
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Also See for 53i:
- Administrator's manual (818 pages) ,
- Installation manual (42 pages) ,
- Technical specifications (2 pages)
Table of Contents
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Other Interoperability Features .................................................................................. 109
DNS Caching .......................................................................................................... 109
Symmetric UDP Signaling Support ......................................................................... 109
Configuring Symmetric UDP Signaling Using Configuration Files.................... 110
Ability to Remove UserAgent and Server SIP Headers .......................................... 111
Configuring UserAgent/Server SIP Headers .................................................... 111
Issues Resolved on Series 5i Phones in Release 2.1, Build 2145 .......................... 112
Contacting Aastra Telecom Support .......................................................................... 115
vi
RN-001029-00, Rev 03, Release 2.1
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