GPT ISDX/GPT IDX Handsets
GPT Connect 1 telephone
GPT ISDX 15B ACD turret
GPT ISDX Multiline 12B telephone
GPT ISDX 300+
GPT ISDX 14B telephone
GPT Hicom Ultraset basic telephone
GPT Hicom Ultraset Comfort telephone
ISDX Multiline 16 Digital
ISDX Multiline 8 Digital
Siemens Realitis DT 40
Siemens Realitis DT 50
Siemens Realitis DT 60
Siemens Realitis DT 70