Polycom 
Digium 
Meru Networks 
Messaging Solutions 
Custom Solutions 
Digium Switchvox Telephony Cards
Digium offers a choice of Telephony Cards, providing users with greater flexibility to tailor a solution to match their exact needs.
Digium Wildcard TDM400P (Analogue line support)
The Wildcard TDM400P is a half-length PCI 2.2 compliant card that supports from one to four analogue lines provided by the phone company.
Digium TE122P Single-span T1/E1 card
The TE122P is a single-span combined T1/E1 card for interfacing with any equipment that uses the T1 or E1 standard. This card is cost efficient because it does not contain the DSPs typically found on these cards, instead using the computing power of their host server.
Digium TE207P Dual Span T1/E1 Card with echo cancellation
The TE207P is a bundling of our leading TE205P product and our new VPMOCT064 Octasic DSP-based echo cancellation module. The TE207P is Digium's and the industry's first two-port digital card featuring hardware-based echo cancellation.
Digium TE407P Quad Span T1/E1 card with echo cancellation
The TE407P is a bundling of our leading TE405P product and our new VPMOCT128 Octasic DSP-based echo cancellation module. The VPMOCT128 provides a certified carrier-grade algorithm that has been labeled a benchmark for echo cancellation.
X100M - Single FXO module for TDM400P
Increase the analog phone line capacity of your system The FXO module allows the TDM400P card to terminate analogue "Plain Old" Telephone Systems' Lines (POTS) provided by the phone company.