The No. 1 UK Telecommunication Dealer for Phone Headsets

H4B stock spare Sennheiser headset leads, cables and Sennheiser amplifiers that work on all Digital, Analogue, IP and Softphones.

The sennheiser UI740 amplifier works with the following telephones:

Avaya/Lucent - Index: 2010
Avaya - Callmaster - Definity Callmaster II
BT - Converse: Converse 125
BT - Featureline: BT Featureline Embark
BT - Featurenet: M6310 and M6320
BT - Versatility: Versatility V
Meridian Norstar - M7100, M7100N
Mitel - 5201, 5207:
Nortel Meridian: M2616, M3110, M3901
Nortel - Nortel 1100 Series IP Matrix: 1110E:
Panasonic - KX-T7000 series: KX-T 7020, KX-T 7050, KX-T 7130, KX-T 7310, KX-T 7315:
Panasonic - KX-T7200 series: KX-T 7220, KX-T 7230, KX-T 7235, KX-T 7240, KX-T 7250:
Panasonic - KX-T7400 series: KX-T 7420, KX-T 7425, KX-T 7431, KX-T 7433, KX-T 7436:
Panasonic - KX-T7600 series Matrix: KX-T 7665 :
Panasonic - KX-T7700 series: KX-T 7720, KX-T 7750:
Panasonic - A-Series, DBS & SBS:
Siemens - Hicom office (Optiset): Entry, Basic & Standard
Toshiba - DKT: DKT2001, DKT2510, DKT2520, DKT2010, DKT2020, DKT3001, DKT3010S, DKT3014SD, DKT3020SD

2.5mm Sennheiser headset cable lead works on the following phones:

Cisco - 792X Series
Hitachi: WIP5000
Panasonic - KX-NT IP series: KX-NT136, KX-NT343, KX-NT346 & KX-NT366
Panasonic - KX-T7600 series Matrix: KX-T 7603, KX-T 7625, KX-T 7630, KX-T 7633, KX-T 7636
Panasonic - KX-T7700 series: KX-T 7730, KX-T 7735
Polycom - SoundPoint IP Series Matrix: SoundPoint IP320, SoundPoint IP321,
SoundPoint IP330, SoundPoint IP331
Polycom - Soundpoint Pro

3.5mm Sennheiser headset cable works with the following telephones:

Alcatel - Alcatal 8 Series Ip-Touch - 4028 IP, 4038 IP, 4068 IP
Alcatel - Alcatal 9 Series Digital - 4029, 4039
 

EasyDisconnect to two 3.5mm plugs 

Used when connecting a headset directly to PC\'s standard soundcard

Accessory for: CC 510, CC 515, CC 515 IP, CC 520, CC 520 IP, CC 530, CC 540, CC 550, CC 550 IP, SH 230, SH 230 IP, SH 230 IP USB, SH 250, SH 300, SH 330, SH 330 IP, SH 335, SH 350, SH 350 IP

Sennheiser Dialog headset cable works with the following telephones:

Aastra Ericsson - IP Phones - 4422 IP, 4425 IP
Aastra Ericsson - IP Phones - 4422 IP, 4425 IP
ATL - Berkshire: 200, 400, 600, 800 and IP5000
Siemens - Optipoint 500 series: Advance, Basic, Entry or Standard
Avaya - Digital 2400 series: 2402, 2410, 2420

CSHS 01 Sennheiser headset cable for:

Avaya - Callmaster - Definity Callmaster III, Definity Callmaster IV - telephones

Sennheiser standard headset lead works with the following telephones:

Aastra - IP Phones - 53i VoIP, 55i VoIP, 57i VoIP, 480i VoIP, 9112i VoIP, 9133i VoIP:
Alcatel - 4001, 4003, 4004 (Alcatel First), 4010 (Alcatel Easy), 4011, 4012, 4018 IP, 4019, 4020 (Alcatel Premium) and 4035 (Advanced)or UI740 Amplifier
Avaya/Lucent - Index: 2030, 2050, 2060, DT1, DT3, DT4, DT5, DT6, TT3 & TT5 -  or UI740 Amplifier
Avaya - Definity: Definity 6402D, Definity 6408D+, Definity 6416D+, Definity 6416D+M, Definity 6424D+, Definity 6424D+M, Definity 8410D, Definity 8434DX -
Avaya - IP 4600 series: 4601, 4602, 4606, 4610, 4612, 4610SW, 4620, 4621SW, 4622SW, 4624, 4625, 4630 -
Avaya - 5400 Digital series: 5402, 5410, 5420 -
Avaya - IP 5600 series: 5620 -
Avaya - IP 6200 series: 6201, 6210, 6220 -
BT - Converse: Converse 1100, Converse 225, Converse 1200, Converse 325, Converse 1300, Converse 425 & Converse 1400 -
BT - Featureline: BT Featureline MKII -
BT - Paragon: BT Paragon 450 and BT Paragon 650 -
BT - Versatility: Versatility V8 and Versatility V16 -
Ericsson - DBC3201, DBC3202, DBC3203, DBC3210, DBC3211, DBC3212, DBC3213 and DBC3214, Dialog 4220 -  or UI740 Amplifier
Ericsson - Dialog 4222, Dialog 4223, Dialog 4224, Dialog 4225 -
Interquartz - Gemini: 9330, 9333, 9335 -
Meridian Norstar - M7208, M7208N, M7310, M7310N, M7324, M7324N, T7208, T7316 -
Mitel - Superset 4015, Superset 4025, Superset 4150, 5010, 5020, 5050, 5212, 5215, 5220, 5230 & 5240:
Nortel Meridian: M2216D, M3310, M3820, M3902, M3903, M3904, M3905 -
Nortel - Nortel 1100 Series IP Matrix: 1120E, 1140E and 1150E:
Nortel - I2000 series: I2002, I2004 and I2007:
Samsung: DCS 6 Key, DCS 12 Key, DCS 24 Key - CSTD 01 Standard lead or UI740 Amplifier
Siemens - OpenStage - Hicom office (Optiset): Advance & Memory - Siemens Adaptor with an CSTD 01 Standard lead
Polycom - Soundpoint IP Series Matrix: SoundPoint IP 301, SoundPoint IP 430, SoundPoint IP 550, SoundPoint IP 560, SoundPoint IP 601, SoundPoint IP 650, SoundPoint IP 670 -
Siemens - Realitis: Standard Headset Telephones:
Toshiba - DKT: DKT3512S, DKT3512SD, DKT3524S, DKT3524SD -
Toshiba - Strata DK: If the Toshiba phone is fitted with an HHEU2 card  or UI740 Amplifier without the card.

Call Master headset cable works with:

Avaya - Callmaster - Definity Callmaster V, Definity Callmaster VI or UI740 Amplifier
Cisco - 793X Series: 7931G
Cisco - 794X Series: 7940G, 7941G, 7941G-GE, 7942G & 7945G
Cisco - 796X Series: 7960G, 7961G, 7961G-GE, 7962G & 7965G
Cisco - 797X Series: 7970G, 7971G-GE & 7975G
 

Panasonic headset cable

Avaya - IP 9600 series: 9610, 9620, 9630, 9640, 9650
Cisco - 790X Series
Cisco - 791X Series: 7911G
Polycom - Soundpoint IP Series Matrix: SoundPoint IP300, SoundPoint IP 400, SoundPoint IP 500, SoundPoint IP 600

HIP cable works on Avaya - IP 4600 series: 4606, 4612, 4624 -and requires the Sennheiser  HIP Connection Lead
 

Training lead for Sennheiser headsets, this is a Y form cable. Sennheiser Code ATC 01