This T1 Expansion Kit ( IP Office PRI 48 ) is an interface card for the IP403, IP406 IP412, providing 2 x T1/PRI port. It is necessary to order one ISDN Cable (700213440) for each of these kits.

IP Office Internal Daughter Cards are fitted inside the base module of the IP403, IP406 IP412) platforms and add voice compression or modem features that allow businesses to easily and quickly extend Voice over IP (VoIP) and remote access benefits to a growing number of users.

IP400 T1 IP Office PRI 48 Expansion Kit Features

• Manual
• T1 Expansion Kit PRI 48 provides dual (T1 or PRI circuits). Available as either T1, E1 or E1R2MFC depending on the market. It is only supported on the IP412 and in slot A of the IP406. T1 trunk cards have an integrated CSU/DSU, eliminating the need for an external unit. The CSU function allows the trunk to be put in loop-back mode for testing. The DSU function allows the T1 trunk to be shared between data and voice.
• 5 Year Warranty