Multi-Tech Systems MVP-2410 User Manual

Page of 395
MultiVOIP User Guide 
 
Operation & Maintenance 
263 
   
Call Progress Details: Field Definitions (cont’d)
 
Field Name
 
Values
 
Description
 
Call Status fields
 
 
Call Status 
hangup, active 
Shows condition of current call. 
Call Control 
Status 
Tun, FS + Tun, 
AE, Mux 
Displays the H.323 version 4 
features in use for the selected 
call. These include tunneling 
(Tun), Fast Start with tunneling 
(FS + Tun), Annex E multiplexed 
UDP call signaling transport (AE), 
and Q.931 Multiplexing (Mux). 
See Phonebook Configuration 
Parameters
 (in T1 or E1 chapters) 
for more on H.323v4 features. 
Silence 
Compression 
SC 
“SC” stands for Silence 
Compression.  With Silence 
Compression
 enabled, the 
MultiVOIP will not transmit voice 
packets when silence is detected, 
thereby reducing the amount of 
network bandwidth that is being 
used by the voice channel. 
Forward Error 
Correction  
FEC 
“FEC” stands for Forward Error 
Correction. 
Forward Error 
Correction 
enables some of the 
voice packets that were corrupted 
or lost to be recovered. FEC adds 
an additional 50% overhead to the 
total network bandwidth 
consumed by the voice channel.  
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