iPECS eMG80/100& eMG800 & UCP & vUCP
Administration and Programming Manual
Issue 2.3
485
Table 4.4.8.7-1 SIP PHONE ATTRIBUTES
ATTRIBUTE
DESCRIPTION
RANGE
DEFAULT
407
Authentication
The system can challenge the SIP phone during registration and
outgoing call set-up with a SIP 407 Authentication message
requiring the SIP phone to provide the Authentication Id and
password assigned in the Station Login PGM 443.
OFF
ON
ON
181 Being
Forwarded
N/A
OFF
ON
OFF
100 rel Support N/A
OFF
ON
OFF
Session Timer
Support
During a SIP call or “session”, there are no signaling packets sent
or received from the SIP Call server. In order to assure a session is
still active, the system can periodically send an Update message
that the SIP Call server should acknowledge.
OFF
ON
OFF
Max Session
Timer
When “Session Timer Support” is enabled, the system will verify the
session at this timer interval.
180-3600
1800
Min Session
Timer
During negotiation with “Session Timer Support” enabled, the
system will use this value as the minimum Session expiration timer
and will not respond to a SIP Option message prior to expiration of
this timer.
60-150
90
Within same
firewall with
UCP (MPB)
For a remote SIP phone, the system must communicate with the
phone
employing the system’s “Firewall” address (OFF). Otherwise,
the system employs the LAN address to communicate with the SIP
phone.
OFF
ON
ON
SRTP Usage
When supported by the SIP phone, the system can encrypt media
(RTP) packets employing SRTP (Secure Real-Time Protocol).
OFF
ON
OFF
1st CRYPTO
The first priority cryptographic method for SRTP is selected from
the below:
None
ARIA_CM_192_HMAC_SHA1_80
AES_CM_128_HMAC_SHA1_80
ARIA_CM_128_HMAC_SHA1_80
AES_CM_192_HMAC_SHA1_80
ARIA_CM_256_HMAC_SHA1_80
AES_CM_256_HMAC_SHA1_80
Refer to
description
None
2nd CRYPTO
The second priority cryptographic method for SRTP is selected from
the below:
None
ARIA_CM_192_HMAC_SHA1_80
AES_CM_128_HMAC_SHA1_80
ARIA_CM_128_HMAC_SHA1_80
AES_CM_192_HMAC_SHA1_80
ARIA_CM_256_HMAC_SHA1_80
AES_CM_256_HMAC_SHA1_80
Refer to
description
None