Version 5.2 195 September 2007
SIP User's Manual 5. Web-based Management
5.8.2 Configuring the TDM Bus Settings
¾ To configure the TDM Bus Settings parameters, take these 5 steps:
1. Open the 'TDM Bus Settings' screen (Advanced Configuration menu > TDM Bus
Settings).
Figure 5-38: TDM Bus Settings Screen
2. Configure the TDM Bus Settings parameters.
3. Click the Submit button to save your changes.
4. To save the changes to flash memory, refer to 'Saving Configuration' on page 256.
5. A device reset is required to activate the TDM Bus Settings parameters. To reset the
gateway, refer to 'Resetting the Gateway' on page 257.
Note: Usually the 'PCM Law Select' parameter is set to A-law for E1 trunks and to
µ-law for T1 trunks.
Refer to 'Clock Settings' on page 381 for information on configuring the 'TDM Bus Clock
Source', 'TDM Bus Enable Fallback' and 'TDM Bus PSTN Auto Clock' parameters.
Table 5-39: TDM Bus Settings Parameters
Parameter Description
PCM Law Select
[PCMLawSelect]
 [1] Alaw = Alaw (default)
 [3] MuLaw = MuLaw
Usually A-Law is used for E1 spans and µ-Law for T1 and
J1 spans.
TDM Bus Type
[TDMBusType]
Must be set to 2 (Framers).
Note: Applicable only to TP-260.
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