EzSKY-522 is for small Keyphone systems (Trunk Line < 8). It supports “Line to PSTN” pass through, and doesn’t need additional ALC (Analogue Trunk Line Card). It allows to keep the same existing trunk lines’ hunting group, and users can simply switch between PSTN / Skype calls.

Feature
- Centralized Management of multi-skype ports functions in one computer and seamless Integration with the existing PBX telephony features
- Exclusive one Company Skype ID supports multiple concurrent inbound/outbound skype calls
- PC / IP stackable for multiple computers’ setup.
- DTMF: Auto detection and Auto generation
- Realtime monitoring connection status and Realtime CDR (Call Detailed Record)
- Import, Export, or backup the Call History, Contact list, Phone book, System Log for Excel .CSV file format
- Anti-Line-Seizure for detecting the DTMF tone status of the PBX
- Support External IVR / CDR / Billing servers for value-added application
- Unlimited speed-dial numbers allow for potential users phone book entries
- Support PSTN HOLD, allows user to hold PSTN call when switching to Skype
- Support “Polarity Reversal” for accurate PBX billing application
- Support “Fast Busy Tone” for better compatibility with latest PBX system
- IP / PSTN Dual Access – Incoming and Outgoing calls from both IP and PSTN
- Support PSTN / Skype Priority for trunk lines’ configuration.
- LIFE LINE / PSTN RELAY in case of the power failure

Specifiction:

**Target For: KeyPhone System / Small PBX, Trunk Lines < 8
**PBX Trunk Requirement: 2
**C.O. Line Requirement: 2
**FXS RJ-11: 2
**LINE RJ-11: 2
**Concurrent / Expansion Port: 2 ~ 8
**Life Line / PSTN HOLD: Yes
**Priority Setup: Skype / PSTN
**Physical Connection: Between C.O. Lines and PBX Trunk Lines