FHF ExResistTel IP2/IP154, Operating Instructions Manual

Page: 233 / 412

Manual ResistTel IP2 / IP152 Page 233
ExResistTel IP2 / IP154
Secure RTP Selection of the encrypted speech data
•
<empty item> (no encryption)
•
AES128/32 (AES encryption, key length 128 bit,
32 bit SHA1 Hash message)
•
AES128/80 (AES encryption, key length 128 bit,
80 bit SHA1 Hash message)
•
AES192/32 (AES encryption, key length 192 bit,
32 bit SHA1 Hash message)
•
AES192/80 (AES encryption, key length 192 bit,
80 bit SHA1 Hash message)
•
AES256/32 (AES encryption, key length 256 bit,
32 bit SHA1 Hash message)
•
AES256/80 (AES encryption, key length 256 bit,
80 bit SHA1 Hash message)
No DTMF Detection DTMF tones are sent in-band through the media
channel but not as separate signalling messages.
SIP Interop Tweaks (only Protocols SIP, TSIP und SIPS):
Proposed Registration
Interval [s] Proposed registration interval in seconds
Accept INVITE’s from
Anywhere Accept invite’s from anywhere
Put Consultation Call on
Hold before Transfer Put consultation call on hold before transfer