• Flexibility: IP-PBX allows calls over the internet (VoIP), reducing dependence on physical telephone lines.
• Scalability: Easier to add or remove extensions without rewiring or buying expensive hardware.
• Cost Saving: Reduces call costs, especially for long-distance and international calls.
• Advanced Features: Offers voicemail to email, remote extension access, mobile app integration, and CRM integration.
• Maintenance: IP-PBX requires less maintenance compared to old-fashioned key phone systems.

• Why: Cloud PBX removes the need for on-premise hardware. Everything is hosted in the cloud by service providers, ensuring high availability, automatic updates, and easy expansion.
• How: Businesses subscribe to Cloud PBX service. Their phones connect securely to the provider's cloud server using internet connections (broadband/fiber/LTE), and enjoy full PBX features without owning physical servers.

A typical keyphone system or PBX consists of:

• PABX server / Key phone server
• Multiple telephones or extensions within the company
• Direct connection to phone lines provided by Telekom Malaysia or other providers

Purpose: To enable internal intercom communication, share external lines for outgoing calls, and reduce telecommunication costs.

Key-Phone System PBX Call Handling

1. Caller dials your company's number through TM (Telekom Malaysia).
2. TM identifies the number and routes it to your PBX/Keyphone System.
3. The PBX picks up the ring, uses IVR to ask for extension input or routes the call directly.
4. If answered by the wrong extension, the call is transferred manually to the correct extension.