Multi-Tech Systems MVP-2410 User Manual

(cont’d)

➼ 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)

  

➼ Analog Phone Parameters

Needed for:
MVP810
MVP410
MVP210
MVP130

Analog Telephony Interface Parameters:

Record for this VOIP Site

#

•  Which interface type (or “signaling”) is used?

                  

E&M

_____    

FXS/FXO

_____

•  If FXS, determine whether the line will be used for a

phone, fax, or KTS (key telephone system)

• If FXO, determine if line will be an analog PBX

extension or an analog line from a telco central office

• If E&M, determine these aspects of the  E&M trunk

line from the PBX:

• What is its Type (1, 2, 3, 4, or 5)?

• Is it 2-wire or 4-wire?

• Is it Dial-Tone or Wink?