Single Port PRI Card

• Digium's single span digital interface cards support 24 (T1 / J1) or 30 (E1) connections to PSTN trunks over a single circuit. These industrial-grade cards utilizes Digium's Voice Bus technology to maximize system compatibility, eliminate system conflicts and provide outstanding voice quality.
• Single span cards are available in PCI and PCI-Express form factor.  All single span models be combined with Digium's VPMOCT032 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 eligible for Digium's no-risk ESP guarantee.
• (Image shown with echo cancellation module)

Applications

Single span digital cards are perfect for building Asterisk solutions with direct connections to the phone network or legacy equipment. Common applications include:

• Direct PSTN connections for office phone systems
• Small call center ACDs with T1/E1 trunks
• Toll-bypass adjuncts for legacy TDM PBXs
• SIP trunk interface for legacy TDM systems

Specifications

• Up to 24 (T1/J1) or 30 (E1) simultaneous calls
• Supports T1, E1 and J1 physical interface connections
• Uses Digium's Voice Bus technology for enhanced performance
• 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
• 5 year warranty
• Risk-free ESP guarantee