Quad span digital cards by Digium have upgraded version of its single and dual span digital cards. It supports 96 (T1/J1) or 120 (E1) connection to connect with PSTN. It can also be used easily with Asterisk and Asterisk-based communication system. Just like dual span digital cards, the quad cards are also available in PCI and PCI-Express a form factors. It also offers DSP based echo cancellation services making it best device to use in commercial or offices.

• It supports the connection of four T1 or E1 trunks.
• It supports all Asterisks and Asterisk-based communication system.
• It can be directly added to digital PSTN connectivity.
• It is ideal for call center and businesses with a large application of phone system such as stock broking firm.
• It supports up to 24 (T1/J1) or 30 (E1) simultaneous connection.
• It is available in PCI and PCI-Express form factor.

Apart from these, you can find manifold other smarter features and we at Cohesive Technologies give you the best options.