Polycom Soundpoint IP 550 SIP Phone 2200-12550-025 DSS Consoles DDSS-2060 is a 60 button

DDSS-2060 is a 60 button direct digital station selection console that provides a large number of programmable keys for a telephone operator

which can be added to M3904 and M3905 models

Adtran Atlas 800 Series Modem 24 Module 1200782L1 Description:

The Cisco 2948G provides 48 ports of fast Ethernet connectivity and another two Gigabit Ethernet (1000BaseX) GBIC fiber ports

Two (Cisco 3725) or four (Cisco 3745) Network Module (NM) slots

Polycom Soundpoint IP 550 SIP Phone 2200-12550-025 DSS Consoles DDSS-2060 is a 60 buttonPolycom SoundPoint IP 550 Phone 2200 12550 025 Description: The Polycom SoundPoint IP 550 is an advanced SIP based phone that works on a wide range of business phone platforms. The phone supports up to four simultaneous lines allowing users to handle a large call volume. With Polycom's HD Voice technology, the Polycom IP 550 provides top of the line voice clarity for every conversation. A large graphical display provides room for the line keys to be