Grandstream UCM6510 User Manual - Manual (Page 150)

Firmware Version 1.0.2.5 UCM6510 IP PBX User Manual Page 149 of 313
not. If enabled, the local UCM6510 will play ringback tone to the caller.
Otherwise, the caller will listen to the tone from peer device. The default
setting is disabled.
Advanced Settings
Switch Type
Select switch type.
• EuroISDN: EuroISDN (common in Europe)
• NI2: National ISDN type 2 (common in the US)
• DMS100: Nortel DMS100
• 4ESS: AT&T 4ESS
• 5ESS: Lucent 5ESS
• NI1: old national ISDN type 1
• Q.SIG
Coding Select "HDB3" or "AMI".
CRC Select whether to use CRC4 or not.
PRI Dial Plan
This setting is used to specify the type of the callee number. The service
provider will usually verify this. The default setting is "unknown". In some
very unusual circumstances, you may need set to "Dynamic" or
"Redundant".
Note:
When one type is selected, you might not be able to dial another class of
numbers. For example, if "National" is configured, you won't be able to dial
local or international numbers.
PRI Local Dial Plan
This setting is used to specify the type of the caller number. The service
provider will usually verify this.
D-Chan Indicates the D channel for control.
International Prefix
National Prefix
Local Prefix
Private Prefix
Unknown Prefix
Configure the prefix in PRI Local Dial Plan and PRI Dial Plan for each type.
PRI Indication
Select the PRI Indication.
• outofband: Use RELEASE, DISCONNECT or other messages with
CAUSE to indicate call progress (e.g., cause: unassigned number or
user busy).
• inband: use in-band tones to play busy or congestion signal to the
other side. This is the default setting.
Reset Interval The interval that restarts idle channels.
PRI Exclusive This setting is used to set up the ChannelID in SETUP message. If