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Feature

Combines the PH25-RJ9A of the PH25-RJ9Cisco adapters into one device!
Use your headset with almost any office phone - 8 settings cover most phone models
Converts 2.5mm plug to single 4P4C RJ9/RJ10 headset plug
Works great with most VOIP phones with a RJ9/Rj10/Rj22 headset jack
Does not work with RJ11 jack, which is wider than your headset jack (6 positions vs. 4). RJ11 jack is what is in the wall. RJ9, RJ10, RJ22 are what is on your phone handset or headset.

Description

This amazing adapter switch converts the standard 2.5mm headset to a standard RJ9, RJ10, or RJ22 handset plug, allowing you to use your favorite headset with your IP phone. Once you plug the headset into our adapter switch, and the adapter into the designated headset jack of your phone, you will need to move the switch setting selector up or down until you get optimal sound for the phone you are using. The adapter switch is approximately thirteen inches long.

COMPATIBILITY

This list is not all inclusive. Please look up the specifications on your specific phone to see if it has a RJ9, RJ10, or RJ22 handset jack.

Not compatible with Polycom phones

Aastra/Packet8/8x8 480e, 480i, 53i, 55i, 57i, 57iCT, 6753i, 6755i, 6757i, 9112i, 9133i, 9143i, 9480i

Avaya 4600 Series IP - 2420, 4610SW, 4612, 4620SW, 5610SW

Cisco: 69xx, 79xx, 89xx, 9951, 9971, 12VIP, 30VIP, CTS 500

GE Model 2-9451

Inter-Tel 8520, 8560, 8600, 8620, 8660, 8662, 8690

Lucent 8410D

Mitel IP 4015, 4025, 4125, 4150 5000 series, 5140, 5200 serie 5312, 5324, 5340, 5550

Norstar T7316E, M3904

Nortel IP 1120E IP, 1140E IP, 1150E IP, i2002, i2004, 1230

Nortel Meridian Norstar Northern Telecom: T7316, T7316E, M7310, M7208, M7308, M7316, M7324, M7900, M2216, M3903, M3904, M3905, M5208, M5209, M5216, M5317, M8001, M8003, SL100, model NTZK23AA, AB: (M2216):ACDI

Shoretel ShorePhone IP models: IP100, IP212K, IP230, IP530

Siemens Optipoint 420 Standard, Optiset E Advance, Advance Plus + Headset Adapter, Comfort 300E + Headset Adapter, Comfort F300E, Optipoint 410, Optipoint 500, Office, Optipoint 600

Talkswitch IP Phone, TS-600

Toshiba: Strata CIX, DP5022-SD, DP5023-SD, DP5018-S, DP5000-series, DKT 3000 series (Requires Toshiba BHEU adapter sold by Toshiba)

3COM 3102, 3103