Project Information

Project Name

Owner / Client

Location

Call Traffic Profile

Daily Call Volume required

Average Call Duration (s) required

Busy Hour Factor (%) required

Agents & Trunking

Agent Type

Target Service Level

Max Acceptable Wait (s)

Agent Count

Trunk Type

Growth Margin (%)

Call Recording

Recording Ratio (%)

Retention Period (days)

Avg. Call Size (MB)

Actions

Get Offer

Policy: Uses simplified Erlang model for concurrency. SIP trunks = 1 concurrent call per trunk. E1 = 30 channels. Recording storage = (calls × ratio × size × retention) / 1000. Design aid only—validate with vendor sizing tools.

PBX & Contact Center Results

Busy Hour Calls

Concurrent Calls

Required Trunks

Agent Seats

Recording Storage

Growth-Adjusted Trunks

System Complements (Recommended)

IVR with menu & queuing logic
CRM integration (screen pop)
Real-time dashboards & wallboards
Call recording with encryption
Disaster recovery / failover SIP
Quality monitoring & scoring
Mobile extension & softphone support

This tool is a design aid only. Final design must be verified with vendor-specific sizing tools (e.g., Avaya, Cisco, 3CX, Genesys). Comply with ISO/IEC 27001 for call data security and local telecom regulations.

Feedback Integrated Solutions

PBX & Contact Center – Summary Report

Project: —

Location: —

Agent Type: —

Concurrent Calls: —

Required Trunks: —

Agent Seats: —

Recording Storage: —

Trunk Type: —

Retention: —

System Complements

IVR, CRM integration, wallboards, encrypted recording, failover, QM, softphones

Signatures

Prepared by: ____________________

Reviewed by: ____________________

Approved by: ____________________

Notes

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This summary is a design aid. Final design must be verified with vendor tools and comply with ISO/IEC 27001, GDPR (if applicable), and local telecom regulations. Recording requires user consent per data privacy laws.