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Grandstream — IP phone and PBX supply
Grandstream is a listed voice brand on this desk, covering both ends of a phone system: SIP endpoints for desks and the PBX platforms they register to.

Endpoints and platform together
Grandstream orders usually pair phones with a PBX appliance. Send both lists — phone models with counts per site, and the platform brief (extensions, concurrent calls, sites) — and the quotation covers the system as one order.
Where only endpoints are needed to extend an existing Grandstream estate, say which platform they join; compatibility is checked at quotation stage.
Grandstream inquiry checklist
- Phone models and counts per location
- PBX brief: extensions, concurrency, sites
- Existing platform, if endpoints extend an estate
- PoE switching on the same order, or phones only
Quoting Grandstream by the estate
Grandstream orders are usually estate orders: a PBX appliance, its endpoints, and often the networking layer in the same project. The desk prices the estate as a system — platform licence level against extension count, endpoint counts by area, and the PoE switching behind the phones — because the lines constrain each other.
If a deployment pairs Grandstream endpoints with another brand's platform, say so on the inquiry. Interoperability is a design fact the quotation should know about, and the reply will note what the pairing assumes.
Common questions
Can you supply Grandstream PBX appliances?
Yes — Grandstream is listed for both endpoint and PBX lines on this desk.
Do phones need configuration?
State any provisioning expectations in the inquiry so they are covered in the reply.
Can networking lines join a voice order?
Yes — switches and access points are Grandstream's own second category and quote alongside the voice estate routinely.