SIP phones, PBX & voice gateways

Organise office voice equipment by extensions, trunk interfaces and the existing PBX platform. Desk phones, gateways and expansion modules have different compatibility requirements. Include handset features and licence requirements with the requested quantities.

Equipment scope

  • SIP desk phones and communication endpoints
  • PBX servers and expansion modules
  • Voice gateways, ATA devices and phone accessories

Selection questions

  • What PBX platform and firmware version are used?
  • How many extensions and which trunk interfaces are required?
  • What handset features, modules and licence quantities are needed?
Find models in this category

Prepare an enquiry

Include the complete model and quantity where known. For replacement parts, identify the existing device and required interface.

ISD confirms suitability and supply separately.

Describe your requirement

Related model references