Dear customer,

When there might be a difference between the automatic generated specifications by the Ebay system, and the hand written/typed description, then please be aware that the only correct description is what's written by our selves here in the description.

Specifications above might be slightly different.

Thanks for your understanding.

Anatel SBM24 Expansion Button Key Module VoIP Grey IP Office Business NO PSU

• Provides 24 additional lines for incoming calls, outgoing calls, and calling features

Requirements and Compatibility

• Compatible with Avaya 9630, 9630G, 9640, 9640G, 9650, an 9650C IP telephones
• IP Office R6.0 or higher - Can add up to 3 SBM24 modules per phone; up to 42 SBM24s per system
• Avaya Communication Manager R4.0 or higher - Can add up to 3 SBM24 modules per phone
• Avaya Communication Manager below R4.0 - Support for one SBM24 per phone

If something is not on the picture it's not included unless stated otherwise.