[
  {
    "manufacturer": "Grandstream",
    "category": "Conference phones",
    "series": "Conference phone"
  },
  {
    "manufacturer": "Yealink",
    "category": "Conference phones",
    "series": "Conference phone"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Cordless phones",
    "series": "Cordless phone"
  },
  {
    "manufacturer": "Yealink",
    "category": "Cordless phones",
    "series": "Cordless phone"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Door phones",
    "series": "GDS3705"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Door phones",
    "series": "GDS3710"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GRP26XX"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXP16XX"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXP17XX"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXP213X"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXP216X"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXP21XX"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXV32XX"
  },
  {
    "manufacturer": "Grandstream",
    "category": "Desk phones",
    "series": "GXV3XXX"
  },
  {
    "manufacturer": "Yealink",
    "category": "Desk phones",
    "series": "SIP-T19"
  },
  {
    "manufacturer": "Yealink",
    "category": "Desk phones",
    "series": "SIP-T2"
  },
  {
    "manufacturer": "Yealink",
    "category": "Desk phones",
    "series": "SIP-T4"
  },
  {
    "manufacturer": "Yealink",
    "category": "Desk phones",
    "series": "SIP-T5"
  }
]