Ekstensi Unlimited

Interkom / Paging

Pesan Suara

Transfer Panggilan

Call Forward on Busy (CFB)

Call Forward on No Answer (CFU)

Hold (CW) incl. Kustom Music on Hold

Call Parking / Pickup

Callback

Laporan Panggilan & Antrian 

Rekaman Transkripsi Panggilan dan Search

Barge In / Listen In / Whisper

Lihat Rekaman Grup

Batasan Rekaman Panggilan (Start/Stop)

Routing berbasis Skill

Kustomisasi Logo Telepon IP

Failover bawaan