The dual span digital cards of Digium includes PCI and PCI- Express that has inbuilt 48 (T1/J1) or 60 (E1) connections in it. It offers easy network connectivity to PSTN using two spans of digital circuits. It is basically build to use with an Asterisk-based digital connection. Moreover, the device can be used in combination with Octasic DSP based echo cancellation Module. Digium also offers five-year warranty services to all its customers using the dual span digital cards. The dual span digital cards protocols include ISDN PRI, CAS etc.

Other available facets are like:

• It helps to establish a direct digital connection with Asterisk applications.
• It supports inline call monitoring and recording solutions.
• It supports industry standards RJ45 cables.
• It has 2 ports and 2 spans.
• It is available in PCI as well as PCI-Express form factors.
• It comes with an optional 128 ms hardware echo cancellation.

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