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| 41. |  Model # RKYS3 | | 1 per system for use of MiS option. Also includes ACD and Auto Attendant. Requires RCTUB, RCTUC/D, or RCTUE/F. Requires PIOU, PIOUS, RSSU, or RSiU for interface. Same charge as RKYS2 if purchased wit...Read More
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$158.67
| Detail Box
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| 42. |  Model # RMDS | | 1 per system to provide a 1200/2400 BPS modem. Mounts piggy-back onto the RSIU. Read More
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$75.97 ON SALE NOW!
| Detail Box
Regular Price: $115.97
You Save: $40.00 (34%)
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| 43. |  Model # RPSU280 | | Replacement power supply for DK280 and DK424 base cabinets and expansion cabinets. Same as RPSU424. Read More
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$139.97 ON SALE NOW!
| Detail Box
Regular Price: $299.99
You Save: $160.02 (53%)
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| 44. |  Model # RRCS-12 | | 1 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. Read More
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$119.99 ON SALE NOW!
| Detail Box
Regular Price: $469.99
You Save: $350.00 (74%)
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| 45. |  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
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| 46. |  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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$85.13
| Detail Box
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| 47. |  Model # RSIS | | 1 per additional RS-232 port. Maximum of 3 can piggy-back onto the RSIU. Read More
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$89.97 ON SALE NOW!
| Detail Box
Regular Price: $149.97
You Save: $60.00 (40%)
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| 48. |  Model # RSIU | | 1 per system to provide from 1 to 4 RS-232 serial ports for SMDI, MIS, SMDR call accounting PC, 280Admin/280Backup PC or maintenance terminal, external modem, or CTI PC. RSIU comes standard with 1 RS-23...Read More
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$74.47
| Detail Box
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| 49. |  Model # RSSU1 | | Provides RS-232 interface to local terminal or external modem. 1 per DK40 system. 1 to 3 per DK280/DK424/DK424i system. Provides interface to SMDI or MIS processor on DK280/DK424/DK424i systems. Read More
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$96.47
| Detail Box
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| 50. |  Model # RSTS | | Standard Phone Interface Subassembly (0x0x2)....Read More
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$109.97
| Detail Box
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| 51. |  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
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| 52. |  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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$92.80
| Detail Box
Mfg. List Price: $599.00
You Save: $506.20 (85%)
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| 53. |  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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| 54. |  Model # RUDTU2 | | Required to upgrade the RDTU1 T1 interface for the DID and ground start hookswitch flash capability. Read More
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$144.97 ON SALE NOW!
| Detail Box
Regular Price: $225.00
You Save: $80.03 (36%)
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| 55. |  Model # RURA | | Use 1 kit to upgrade RCTUA3A to Release 4.0 software. Read More
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$118.97
| Detail Box
In Stock |
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| 56. |  Model # RURB | | Use 1 kit to upgrade RCTUBA/BB3 to Release 4.0 software. Read More
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$158.97
| Detail Box
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| 57. |  Model # RURD | | Use 1 kit to upgrade RCTUC3/D3 to Release 4.0 software. Read More
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$249.97 ON SALE NOW!
| Detail Box
Regular Price: $495.00
You Save: $245.03 (50%)
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| 58. |  Model # SMIS | | Requires RKYS3 and 486 personal computer. PC should have DOS 5.0 or higher, 4 MB of RAM, a 3.5" floppy drive, a 100 MB or larger hard disk, one serial port, one parallel port, and a color monitor (Se...Read More
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$209.97
| Detail Box
In Stock |
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