InnoMedia MTA8000 Series Administrative Guide
Page 41
Copyright © 2022 InnoMedia. All rights reserved.
Media port starting value should fall within the range 10 to 65535 and should be an even number. Care
should be taken as these settings can significantly impact voice performance or result in no voice path if
configured incorrectly. Consult your telephony service provider for configuration guidelines.
Field Name
Description
Media Port Start
The lowest RTP port number to be used
when sending RTP/RTCP traffic
–
It must be
an even number.
Media Port End
The highest RTP port number to be used
when sending RTP/RTCP traffic
–
It must be
an odd number.
4.3.2
Regional Setting
Figure 35. Regional settings for power and analog line specifications
Field Name
Description (options available)
AC Impedance
•
Resistance 600 ohm
•
GR-57 900R+2.16uF
•
ETSI 270R+750R/150nF
DC Current Feed
•
25mA
•
40mA
Ring Voltage
•
48VDC
•
90Vrms Balanced
Ring Frequency
•
20Hz
•
25 Hz
CID Type
Support for FSK only
4.3.3
Tone Cadence Setting
Configures the tone cadence for an FXS port.
When shipped from the factory, the MTA tone cadences are set
to match country requirements. You can manually set the tone cadence if you wish to override the default
country values.
