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101-2
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 101 SIP Profile Configuration
SIP Profile Configuration Settings
Default MTP Telephony
Event Payload Type
This field specifies the default payload type for RFC2833 telephony
event. See RFC 2833 for more information. In most cases, the default
value specifies the appropriate payload type. Be sure that you have a firm
understanding of this parameter before changing it, as changes could
result in DTMF tones not being received or generated. The default value
specifies 101 with range from 96 to 127.
The value of this parameter affects calls with the following conditions:
• The call is an outgoing SIP call from Cisco Unified Communications
Manager.
• For the calling SIP trunk, the Media Termination Point Required
check box is checked on the SIP Trunk Configuration window.
Resource Priority
Namespace List
Select a configured Resource Priority Namespace Network Domain list
from the drop-down menu. Configure the lists in the Resource Priority
Namespace Network Domain menu that is accessed from the System
menu.
Early Offer for G.Clear
Calls
The Early Offer for G.Clear Calls feature supports both standards-based
G.Clear (CLEARMODE) and proprietary Cisco Session Description
Protocols (SDP).
To enable or disable Early Offer for G.Clear Calls, choose one of the
following options:
• Disabled
• CLEARMODE
• CCD
• G.nX64
• X-CCD
Redirect by Application Checking this check box and configuring this SIP Profile on the SIP trunk
allows the Cisco Unified Communications Manager administrator to
• Apply a specific calling search space to redirected contacts that are
received in the 3xx response.
• Apply digit analysis to the redirected contacts to make sure that the
call get routed correctly.
• Prevent DOS attack by limiting the number of redirection (recursive
redirection) that a service parameter can set.
• Allow other features to be invoked while the redirection is taking
place.
Getting redirected to a restricted phone number (such as an international
number) means that handling redirection at the stack level will cause the
call to be routed instead of being blocked. This represents the behavior
that you will get if the Redirect by Application check box is unchecked.
See the “Redirection” section on page 42-17.
Table 101-1 SIP Profile Configuration Settings (continued)
Field Description