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| 1. | 
Model # DKSUE280X | | As desired for spares. Read More
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$115.97
|  Detail Box
In Stock |
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| 2. | 
Model # DKSUE280 | | Strata DK280 expansion cabinet with RPSU280 Power Supply and Battery Charger. Maximum one per RCTUB system. One to five per RCTUC/D system. Read More
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$279.99
ON SALE NOW!
| Detail Box
Regular Price: $299.99
You Save: $20.00 (7%)
In Stock |
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| 3. | 
Model # PEKU | | Provides 8 electronic station ports....Read More
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$35.97
ON SALE NOW!
| Detail Box
Regular Price: $67.99
You Save: $32.02 (47%)
In Stock |
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| 4. | 
Model # RSTU1
While Supplies Last! | | Provides 8 standard telephone station ports. 1 port per DTMF or rotary telephone, or peripheral device such as Voice Mail, Auto Attendant, fax, etc. 1 port per off-premises station, type OL13B line. Maximu...Read More
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$39.97
| Detail Box
In Stock |
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| 5. | 
Model # RCOS | | One per RCOU. The RCOS attaches to the RCOU to provide 4 additional Loop Start CO / PBX / Centrex line circuits. Read More
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$59.99
ON SALE NOW!
| Detail Box
Regular Price: $149.99
You Save: $90.00 (60%)
In Stock |
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| 6. | 
Model # RRCS-4 | | One per RCTU for connection of DTMF standard telephones, Direct Inward System Access lines, DTMF DID lines, TIE lines, voice mail devices, or built-in Auto Attendant. Mounts on RCTU unit. Refurbished Only. Read More
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$60.80
| Detail Box
In Stock |
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| 7. | 
Model # RCOU | | Provides 4 CO/PBX/Centrex loop start lines. Maximum 1 RCOU per DK40 system. 1 for each 4 Loop Start CO / PBX / Centrex lines on DK280/DK424 systems. Accepts RCOS. Read More
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$64.97
| Detail Box
In Stock |
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| 8. | 
Model # PDKU2 | | PDKU 2 Provides 8 digital station ports. A DSS Console, DDCB, or PDIU-DS uses 1 port....Read More
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$69.97
ON SALE NOW!
| Detail Box
Regular Price: $99.99
You Save: $30.02 (30%)
In Stock |
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| 9. | 
Model # RSTU2 | | Provides 8 standard telephone station ports. 1 port per DTMF or rotary telephone, or peripheral device such as Voice Mail, Auto Attendant, fax, etc. 1 port per off-premises station, type OL13B line. Maximu...Read More
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$139.97
ON SALE NOW!
| Detail Box
Mfg. List Price: $599.00
Regular Price: $199.99
You Save: $459.03 (77%)
In Stock |
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| 10. |
Model # RRCS-8 | | One per RCTU for connection of DTMF standard telephones, Direct Inward System Access lines, DTMF DID lines, TIE lines, voice mail devices, or built-in Auto Attendant. Mounts on RCTU unit. Refurbished Only. Read More
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$149.99
ON SALE NOW!
| Detail Box
Regular Price: $399.99
You Save: $250.00 (63%)
In Stock |
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| 11. | 
Model # RSTU3A | | Provides 8 standard telephone station ports. 1 port per DTMF or rotary telephone, or peripheral device such as Voice Mail, Auto Attendant, fax, etc. 1 port per off-premises station, type OL13B line. Maximu...Read More
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$167.97
| Detail Box
In Stock |
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| 12. | 
Model # RDTU2 | | Provides 24 channels for T1 Service. Network connection requires an external CSU. Each RDTU requires 1 NDTU cable. Maximum 2 per RCTUBA/BB systems. Maximum 6 per RCTUC/D system. Read More
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$204.97
| Detail Box
In Stock |
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| 13. | 
Model # RDSU | | 1 per 4 digital station ports plus 2 standard station ports. Mounts in Expansion KSU. Maximum 2 RDSU per DK40 system. For DK40I/DK424/DK424I/CTX100/CTX670. Read More
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$86.97
| Detail Box
In Stock |
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| 14. | 
Model # RSTS | | Standard Phone Interface Subassembly (0x0x2)....Read More
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$109.97
| Detail Box
In Stock |
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| 15. | 
Model # RDDU1 | | Provides 4 DID line circuits. Mounts in the Expansion KSU. Maximum 1 RDDU per DK40 system. 1 for each 4 DID lines on DK280/DK424/DK424i system. K4RCU3 required for DTMF operation on DK40 systems. RRC...Read More
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$119.97
ON SALE NOW!
| Detail Box
Mfg. List Price: $490.00
Regular Price: $199.97
You Save: $370.03 (76%)
In Stock |
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| 16. |
Model # REMU1 | | Provides 4 E&M tie line circuits (type 1 or 2, 2-wire or 4-wire). Maximum 1 REMU per DK40 system (mounts in expansion KSU). Immediate Start or Wink Start. K4RCU3 required for DTMF operation in DK40/DK40i...Read More
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$139.97
| Detail Box
In Stock |
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| 17. |
Model # PBTC-3M | | 1 per DK14/DK16/DK16e/DK40/DK40i system to connect power supply battery charger to customer supplied reserve batteries. 1 per DK280/DK424 cabinet to connect power supply battery charger to customer supplie...Read More
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$54.97
ON SALE NOW!
| Detail Box
Regular Price: $79.97
You Save: $25.00 (31%)
In Stock |
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| 18. |
Model # NDTUCBL | | One for each RDTU. Read More
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$98.97
| Detail Box
In Stock |
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| 19. |
Model # PIOUS2 | | 1 per DK24/56/96 or DK40 system to interface to SMDR, local terminal or external modem. Contains relay control, alarm sensor, door lock control, BGM mute control, tape recorder control or night ring relay...Read More
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Click here to contact Sales for pricing! | Detail Box
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| 20. |
Model # MDFB | | As desired, maximum 12 per digital system or 6 per electronic system. Maximum 3 per HDCB or DDCB. Read More
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$79.97
ON SALE NOW!
| Detail Box
Regular Price: $85.46
You Save: $5.49 (6%)
In Stock |
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