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Cisco Small Business SPA500 Series IP Phones
Release Notes
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Cisco SPA501G 8-Line IP Phone
Cisco SPA502G 1-Line IP Phone
Cisco SPA504G 4-Line IP Phone
Cisco SPA508G 8-Line IP Phone
Cisco SPA509G 12-Line IP Phone
Cisco SPA512G 1-Line GigE IP Phone
Cisco SPA514G 4-Line GigE IP Phone
Cisco SPA525G2 5-line IP Phone
Cisco SPA501G 8-Line IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7t
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA30X and SPA50X Firmware Version 7.5.6(XU)
Release Notes for Cisco SPA30X and SPA50X IP Phones Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5
(PDF - 87 KB)
Release Notes for Cisco IP Phone SPA30X/50X Firmware Version 7.5.4
(PDF - 105 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.3
(PDF - 140 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.2b
(PDF - 121 KB)
Release Notes for Cisco Small Business IP Phone SPA5XX and SPA30X Firmware Version 7.5.1
(PDF - 155 KB)
Release Notes for Cisco Small Business IP Phone SPA 50X and SPA30X Firmware Versions 7.4.9a and 7.4.9c
(PDF - 202 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8a
(PDF - 83 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8
(PDF - 78 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.7
(PDF - 115 KB)
Release Notes for Cisco Small Business IP Phone SPA 50XG Firmware Release 7.4.6
(PDF - 94 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50X Firmware Version 7.4.4
(PDF - 88 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.4.3
(PDF - 143 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.3.7
(PDF - 140 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA502G 1-Line IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7t
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA30X and SPA50X Firmware Version 7.5.6(XU)
Release Notes for Cisco SPA30X and SPA50X IP Phones Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5
(PDF - 87 KB)
Release Notes for Cisco IP Phone SPA30X/50X Firmware Version 7.5.4
(PDF - 105 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.3
(PDF - 140 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.2b
(PDF - 121 KB)
Release Notes for Cisco Small Business IP Phone SPA5XX and SPA30X Firmware Version 7.5.1
(PDF - 155 KB)
Release Notes for Cisco Small Business IP Phone SPA 50X and SPA30X Firmware Versions 7.4.9a and 7.4.9c
(PDF - 202 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8a
(PDF - 83 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8
(PDF - 78 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.7
(PDF - 115 KB)
Release Notes for Cisco Small Business IP Phone SPA 50XG Firmware Release 7.4.6
(PDF - 94 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50X Firmware Version 7.4.4
(PDF - 88 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.4.3
(PDF - 143 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.3.7
(PDF - 140 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA504G 4-Line IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7t
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA30X and SPA50X Firmware Version 7.5.6(XU)
Release Notes for Cisco SPA30X and SPA50X IP Phones Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5
(PDF - 87 KB)
Release Notes for Cisco IP Phone SPA30X/50X Firmware Version 7.5.4
(PDF - 105 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.3
(PDF - 140 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.2b
(PDF - 121 KB)
Release Notes for Cisco Small Business IP Phone SPA5XX and SPA30X Firmware Version 7.5.1
(PDF - 155 KB)
Release Notes for Cisco Small Business IP Phone SPA 50X and SPA30X Firmware Versions 7.4.9a and 7.4.9c
(PDF - 202 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8a
(PDF - 83 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8
(PDF - 78 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.7
(PDF - 115 KB)
Release Notes for Cisco Small Business IP Phone SPA 50XG Firmware Release 7.4.6
(PDF - 94 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50X Firmware Version 7.4.4
(PDF - 88 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.4.3
(PDF - 143 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.3.7
(PDF - 140 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA508G 8-Line IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7t
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA30X and SPA50X Firmware Version 7.5.6(XU)
Release Notes for Cisco SPA30X and SPA50X IP Phones Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5
(PDF - 87 KB)
Release Notes for Cisco IP Phone SPA30X/50X Firmware Version 7.5.4
(PDF - 105 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.3
(PDF - 140 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.2b
(PDF - 121 KB)
Release Notes for Cisco Small Business IP Phone SPA5XX and SPA30X Firmware Version 7.5.1
(PDF - 155 KB)
Release Notes for Cisco Small Business IP Phone SPA 50X and SPA30X Firmware Versions 7.4.9a and 7.4.9c
(PDF - 202 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8a
(PDF - 83 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8
(PDF - 78 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.7
(PDF - 115 KB)
Release Notes for Cisco Small Business IP Phone SPA 50XG Firmware Release 7.4.6
(PDF - 94 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50X Firmware Version 7.4.4
(PDF - 88 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.4.3
(PDF - 143 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.3.7
(PDF - 140 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA509G 12-Line IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7t
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA30X and SPA50X Firmware Version 7.5.6(XU)
Release Notes for Cisco SPA30X and SPA50X IP Phones Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA30X and SPA50X IP Phones Firmware Version 7.5.5
(PDF - 87 KB)
Release Notes for Cisco IP Phone SPA30X/50X Firmware Version 7.5.4
(PDF - 105 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.3
(PDF - 140 KB)
Release Notes for Cisco Small Business IP Phone SPA30X/SPA50X Firmware Version 7.5.2b
(PDF - 121 KB)
Release Notes for Cisco Small Business IP Phone SPA5XX and SPA30X Firmware Version 7.5.1
(PDF - 155 KB)
Release Notes for Cisco Small Business IP Phone SPA 50X and SPA30X Firmware Versions 7.4.9a and 7.4.9c
(PDF - 202 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8a
(PDF - 83 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.8
(PDF - 78 KB)
Release Notes for Cisco Small Business IP Phone SPA50X and SPA30X Firmware Version 7.4.7
(PDF - 115 KB)
Release Notes for Cisco Small Business IP Phone SPA 50XG Firmware Release 7.4.6
(PDF - 94 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50X Firmware Version 7.4.4
(PDF - 88 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.4.3
(PDF - 143 KB)
Release Notes for Cisco Small Business Pro IP Phone SPA 50XG Firmware Version 7.3.7
(PDF - 140 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA512G 1-Line GigE IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA51X Firmware Version 7.5.6(XU)
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.5
(PDF - 76 KB)
Release Notes for Cisco IP Phone SPA51X Firmware Version 7.5.4
(PDF - 96 KB)
Release Notes for Cisco Small Business IP Phone SPA51X Firmware Version 7.5.3
(PDF - 115 KB)
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.6
(PDF - 71 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Cisco SPA514G 4-Line GigE IP Phone
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR6
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR5
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR4
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR3
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Release 7.6(2)SR1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.2
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.1
Release Notes for Cisco Small Business SPA30X, SPA50X, and SPA51X IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.7s
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.7
Release Notes for Cisco Small Business SPA51X Firmware Version 7.5.6(XU)
Release Notes for Cisco Small Business SPA51X IP Phone Firmware Version 7.5.6a
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.5b
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.5
(PDF - 76 KB)
Release Notes for Cisco IP Phone SPA51X Firmware Version 7.5.4
(PDF - 96 KB)
Release Notes for Cisco Small Business IP Phone SPA51X Firmware Version 7.5.3
(PDF - 115 KB)
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.6
(PDF - 71 KB)
Release Notes for Cisco Small Business SPA50X and SPA51X IP Phone Firmware Release 7.6(2)SR7
(PDF - 275 KB)
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.6
Cisco SPA525G2 5-line IP Phone
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Version 7.6(2)SR5
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Version 7.6(2)SR4
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Version 7.6(2)SR3
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Version 7.6(2)SR1
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Version 7.6.0
Release Notes for Cisco Small Business SPA525 Firmware Version 7.5.6(XU)
Release Notes for Cisco Small Business SPA525G2-EU Firmware Version 7.5.6c
Release Notes for Cisco Small Business SPA525G or SPA525G2 Firmware Version 7.5.6
(PDF - 69 KB)
Release Notes for Cisco Small Business SPA525G or SPA525G2 Firmware Version 7.5.5b
(PDF - 61 KB)
Release Notes for Cisco Small Business SPA525G or SPA525G2 Firmware Version 7.5.5a
Release Notes for Cisco Small Business SPA525G or SPA525G2 Firmware Version 7.5.5
(PDF - 83 KB)
Release Notes for Cisco IP Phone SPA525G/525G2 Firmware Version 7.5.4
(PDF - 103 KB)
Release Notes for Cisco Small Business IP Phone SPA525G/525G2 Firmware Version 7.5.3
(PDF - 117 KB)
Release Notes for Cisco Small Business IP Phone SPA525G/525G2 Firmware Version 7.5.2a
(PDF - 126 KB)
Release Notes for Cisco Small Business SPA525G2 IP Phone Firmware Release 7.6(2)SR6
(PDF - 275 KB)
Release Notes for Cisco Small Business SPA51X IP Phones Firmware Version 7.5.6
Support Documentation
All Support Documentation for this Series