Installation guide

Adjusting IP call quality parameters 6-47
Chapter 6: IP Telephony Configuration
Wave Global Administrator Guide
4 In the DTMF Digit Transport section, select one of the following from the Preferred DTMF
Transport
drop-down list, based on the requirements of your ITSP or SIP trunk provider.
•
Inband (DTMF digits are left as tones in the original audio stream)
•
RFC 2833
• SIP INFO
Note: This setting indicates a preference only - most ITSPs and SIP trunk providers use or
prefer RFC 2833. If RFC 2833 is used by your ITSP or SIP trunk provider, Wave will
automatically use RFC 2833, no matter what you specify here. On the other hand, if RFC
2833 is not supported by your ITSP or SIP trunk provider, Wave will use the setting that you
specify.
5 In the DTMF Play Out Timing section, specify the following play out times in
milliseconds:
•
___ millisconds per digit. Length of time that each DTMF digit plays.
•
___ milliseconds between digits. Length of time between each DTMF digit.
6 Click
OK.
Quality Of Service (QoS) settings
Caution: These are expert settings that should not be modified unless you are
instructed to do so by your Vertical Technical Support representative.
Note:
At least one Media Resource Module (MRM) is required on the Wave Server if you plan
to use Quality of Service (QoS) settings with IP resources for VoIP calls. Contact your Wave
provider for more information.
To configure the Quality of Service (QoS) settings
1 If necessary, click the Administration tab of the Management Console.
2 Click the IP Telephony icon, located in the PBX Administration section.
Click
Release 2.0
September 2010