Aastra Telecom 9143i Series ユーザーズマニュアル

About this chapter

6-2

41-001160-03, Rev 00, Releaes 2.4

IP Phone Administrator Guide

Blacklist Duration

Whitelist Proxy

Transport Layer Security (TLS)

Symmetric UDP Signaling

Removing UserAgent and Server SIP Headers

GRUU and sip.instance Support

Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro
Servers)

Configurable DNS Queries

Ignore Out of Sequence Errors

“Early-Only” Parameter in Replaces Header RFC3891

Reason Header Field in SIP Message

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