Digital Telephony Cards

Dual Span

Digium's dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.

Single span cards are available in PCI and PCI-Express form factor. All dual span models be combined with Digium's VPMOCT064 echo cancellation module to provide echo cancellation across all channels.

Digium cards are compatible with all versions of Asterisk using the DAHDi driver framework.  Asterisk and DAHDi are available for free from the Asterisk.org website. All cards include a five (5) year warranty and are eligibile for Digium's no-risk ESP guarantee.

photo of digium digital dual span card

 

Applications

  • Connect two T1 or E1 trunks to an Asterisk based PBX system
  • Add direct digital PSTN connectivity to Asterisk applications and solutions
  • Create in-line call monitoring and recording solutions

Specifications

  • Up to 24 (T1/J1) or 30 (E1) simultaneous calls
  • Supports T1, E1 and J1 physical interface connections
  • Optional 128ms hardware echo cancellation module
  • Protocol support includes: ISDN PRI, Robbed-Bit, CAS, MFC/R2
  • Industry standard RJ-45 port
  • Available in PCI and PCI Express form factors
  • 2 ports / 2 spans
  • 5 year warranty
  • Digium ESP risk-free guarantee

 

How to Buy

  • 1TE205PF - Two span digital T1/E1/J1/PRI PCI 5.0V card
  • 1TE207PF - Two span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
  • 1TE210PF - Two span digital T1/E1/J1/PRI PCI card
  • 1TE212PF - Two span digital T1/E1/J1/PRI PCI card and hardware echo cancellation
  • 1TE220F - Two span digital T1/E1/J1/PRI PCI-Express x1 card
  • 1TE220BF - Two span digital T1/E1/J1/PRI PCI-Express x1 card and hardware echo cancellation

 

Where to Buy

local partner online retailer direct from Digium

 

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