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Mediant 2000 SIP User's Manual
5.8.5
Configuring the Profile Definitions
Utilizing the Profiles feature, the Mediant 2000 provides high-level adaptation when connected to
a variety of equipment (from both Tel and IP sides) and protocols, each of which require a
different system behavior. Using Profiles, users can assign different Profiles (behavior) on a per-
call basis, using the Tel to IP and IP to Trunk Group Routing tables, or associate different Profiles
to the gateway's B-channels(s). The Profiles contain parameters such as Coders, T.38 Relay,
Voice and DTMF Gains, Silence Suppression, Echo Canceler, RTP DiffServ and more. The
Profiles feature allows users to tune these parameters or turn them on or off, per source or
destination routing and/or the specific gateway or its ports. For example, specific E1/T! spans can
be designated for to have a profile which always uses G.711.
Each call can be associated with one or two Profiles, Tel Profile and (or) IP Profile. If both IP and
Tel profiles apply to the same call, the coders and other common parameters of the preferred
Profile (determined by the Preference option) are applied to that call. If the Preference of the Tel
and IP Profiles is identical, the Tel Profile parameters are applied.
Note:
5.8.5.1
Coder Group Settings
Use the Coders Group Settings screen to define up to four different coder groups. These coder
groups are used in the Tel and IP Profile Settings screens to assign different coders to Profiles.
To configure the coder group settings, take these 8 steps:
Open the 'Coder Group Settings' screen (Protocol Management menu > Profile
1.
Definitions submenu > Coder Group Settings option); the 'Coder Group Settings' screen is
displayed.
In the 'Coder Group ID' drop-down list, select the coder group you want to edit (up to four
2.
coder groups can be configured).
From the coder drop-down list, select the coder you want to use. For the full list of available
3.
coders and their corresponding ptimes, refer to the ini file parameter 'CoderName_ID'
(described in
Note: Each coder can appear only once.
From the drop-down list to the right of the coder list, select the size of the Voice Packet
4.
(ptime) used with this coder in milliseconds. Selecting the size of the packet determines how
many coder payloads are combined into one RTP (voice) packet.
Note 1: The ptime packetization period depends on the selected coder name.
Version 4.4
The default values of the parameters in the Tel and IP Profiles are identical to
the Web/ini file parameter values. If a value of a parameter is changed in the
Web/ini file, it is automatically updated in the Profiles correspondingly. After
any parameter in the Profile is modified by the user, modifications to
parameters in the Web/ini file no longer impact that Profile.
Figure 5-9: Coder Group Settings Screen
Table
6-3).
55
5. Web Management
July 2005
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