Multi-Tech Systems E1 - Manual (Page 56)

Technical Configuration MultiVOIP User Guide
56
E1 Telephony Parameters (for MVP3010)
The following parameters must be known about the PBX or telco
central office equipment to which the E1 MultiVOIP will connect:
Ê E1 Phone Parameters
Ask phone company or
PBX maintainer.
Info needed to operate:
MVP3010
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.