By making the move to a IP phone system which uses SIP Trunks you will have the ease of increasing the amount of concurrent calls for your business by simply calling or sending an email to Aatrox Communications.
Scaling your traditional phone system
Thankfully with the rise and availability of VoIP, there is a much simpler option.
Scaling your IP Phone System
If you manage to secure a big contract which requires them to put on an additional 30 staff, then increasing the amount of SIP Trunks for the business will only take a few minutes.
If they then complete the contract and the staff are no longer required, the amount of SIP Lines can then be decreased just as easily.