Dialogic 4000 Series SU4.1 Bedienungsanleitung PDF herunterladen (Seite 52)

Dialogic 4000 Media Gateway Series SU4.1 Reference Guide

Signaling accept

level:

This parameter defines how call information should be accepted. To

accept encrypted calls, you need to activate TLS as listen port in

the Network Interfaces configuration.

 Accept unencrypted calls only: Only signaling sent with

TCP or UDP is accepted. Any encrypted signaling is rejected.

 Accept encrypted and unencrypted calls: All calls are

accepted, regardless of the encryption mode.

 Accept encrypted calls only: Only signaling with TLS is

accepted; unencrypted signaling is rejected.

 Accept encrypted call with SIPS URI only: Only

signaling encrypted with the URI scheme secure SIP is

accepted. Calls sent with TLS encryption are rejected.

Media security

level:

The Secure Real-time Transport Protocol (SRTP) authenticates

packets and encrypts data and thus adds security to the voice

stream. SRTP should be used together with TLS.

 No SRTP: The voice stream is not secured with SRTP.

 Offer and accept SRTP: The voice stream is secured with

SRTP, if possible.

 Require SRTP for encrypted calls: Calls via TLS need to

use SRTP, otherwise they are rejected.

 Require STP for all calls: All calls are established with

SRTP only, regardless of the signaling protocol.

Note: If you select Require SRTP for encrypted calls, calls

without SRTP are still allowed via UDP or TCP, unless Signaling

accept level does not allow calls via UDP or TCP.

Session Timer

You can configure the following parameters in the Session Timer section when you define

or modify a SIP Peer:

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Dialogic 4000 Series SU4.1 Bedienungsanleitung Seite 52