Multi-Tech Systems MVP-2410 ユーザーズマニュアル

The following parameters must be known about the PBX or telco central office
equipment to which the E1 MultiVOIP will connect:

➼ E1 Phone Parameters

E1 Telephony Parameters:

Record for this VOIP Site

#

• Which frame format is used?  

Double Frame

_____

MultiFrame w/ CRC4

_____

MultiFrame w/ CRC4 modified

_____

• Which CAS or PRI protocol is used? ______________
• Clocking: Does the PBX or telco switch use

internal

 or 

external

 clocking? _________________

Note that the setting used in the voip unit will be the
opposite of the setting used by the telco/PBX.

• Which line coding is used?  

AMI

___ or  

HDB3

___

• Pulse shape level?: (most commonly 0 to 40 meters)

Write down the values for these E1 parameters.  You will need to enter these
values in the “T1/E1 Parameters” screen in the Configuration section of the
MultiVOIP software.