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Extension Cards

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		Panasonic KX-TDA3171NE 4-Port Digital Extension Card Four-port digital extension card. more
		Panasonic KX-TDA3172NE 8-Port Digital Extension Card Eight-Port digital extension card more
		Siemens HiPath 3500 Eight-circuit Digital Extension Module Eight circuit digital extension module for the Siemens Hipath 3500 phone system. more
		Panasonic 16 Port IP Extension Card The Panasonic KX-TDA0470 is an IP extension card that provides access for up to 16 KX-NT136 IP telephones per card with a KX-TDA100 or KX-TDA200 phone system. When installed in a KX-TDA100, a maximum of four cards can be installed and configured for a maximum of 64 IP telephones and, with the KX-TDA200, up to 128. more
		Panasonic KX-TVM204 4-Port Expansion Card Four port expansion for Panasonic KX-TVM200E voicemail system. more
		Panasonic KX-TVM502 2-Port Expansion Card VM50 Two Port Expansion Card more
		Siemens Hipath 24 Circuit Digital Extension Card 24-circuit digital extension card for the Siemens HiPath communication systems. more
		Siemens Hipath Eight Circuit Digital Extension Card Eight circuit digital extension card for the Siemens HiPath Version 5.0 range of communications systems. more
		Panasonic KX-TDA3283CE 2-Channel ISDN Card for the KX-TDA15 and KX-TDA30 Two channel ISDN2 card for the Panasonic KX-TDA15 and KX-TDA30 telephone systems. more
		Panasonic KX-TDA0168X 16 Slot Extension Card for Message Waiting This extension card enables 16 slots for message waiting functionality for the Panasonic KX-TDA 100 and KX-TDA telephone systems. more