Lucent Technologies Definity Enterprise Communication Server 8.2 User Manual

Issue 1

April 2000

Screen reference 

730

IP Trunk Configuration Manager 

Use the Internet dialog box to configure your connection to an IP network. Adjust 
these parameters as needed for optimal performance. 

■

DTMF Duration: Sets the DTMF (Dual Tone Multi-frequency) 
duration for communication with an H.323 client.

Valid values: 

 to 

 (milliseconds)

■

DTMF Silence Duration: Sets the silence duration interval 
between two consecutive DTMF tones for communication with an 
H.323 client. 

Valid values: 

 to 

 (milliseconds)

Fax

■

Maximum Fax Rate: Indicates the fax transmission rate. 
Valid values: 

 Kpbs or 

 Kpbs.

■

Fax Error Control: Sets the level of redundant information used 
to improve the fax completion rate.
Valid values: 

 (no redundant information use)

: Each packet transmitted also contains the previous 

packet sent.

: Each packet transmitted also contains the previous two 

packets sent.

For good quality, managed networks with very little packet loss, 
use None. For a managed network with high packet loss, use 
Extensive to improve the fax completion rate. Extensive results in 
higher bandwidth usage and longer fax sending time.

■

Fax Frames Per Packet: Sets the number of fax frames per 
packet. 
Valid values: 

or 

.