A 50-person digital marketing agency in Manchester was paying £3,800 per month for their phone system. Two PRI circuits, a Mitel maintenance contract, and 14 separate feature add-ons.
We migrated them to DialPhone over a single weekend. Here is the minute-by-minute account.
Friday 4 PM: The Starting Position
| Line Item | Monthly Cost |
|---|---|
| 2 PRI circuits (46 channels) | £1,380 |
| Mitel maintenance | £520 |
| Call recording (50 users) | £375 |
| Voicemail (50 users) | £200 |
| Auto-attendant | £65 |
| Conference bridge | £95 |
| Mobile twinning (20 users) | £90 |
| Long distance | £280 |
| International (US clients) | £190 |
| Analytics add-on | £150 |
| CRM connector (HubSpot) | £200 |
| IT contractor (phone admin) | £400 |
| Total | £3,945 |
Peak concurrent calls from CDR data: 16. They were paying for 46 channels.
Friday 5 PM: System Configuration
DialPhone migration specialist Sarah started configuring:
- 50 user accounts created
- 4 ring groups (sales, account management, creative, operations)
- Auto-attendant with 4 menu options
- Call recording enabled for all users
- HubSpot integration connected
- After-hours routing to senior management mobiles
Time: 2 hours. We reviewed at 7 PM. Two changes: added the MD to the sales overflow group, changed the hold music.
Saturday 9 AM: Phone Deployment
15 desk phones (reception, meeting rooms, operations) arrived pre-configured. Plugged in, auto-provisioned in 90 seconds each.
35 softphone users received email invitations at 9:30 AM. Desktop app + mobile app. Most installed within the hour.
By 11 AM: all 50 users operational on temporary numbers.
Saturday 12 PM: Testing
| Test | Result |
|---|---|
| Inbound to main temp number | All 4 ring groups rang correctly |
| Auto-attendant menu | All options routed correctly |
| Transfer between departments | Clean, no drops |
| Mobile app inbound | 10/10 calls rang successfully |
| HubSpot screen pop | Contact record appeared in < 2 seconds |
| Call recording | Playback working, searchable |
| International (US test call) | Clear audio, correct caller ID |
Issues found: zero.
Saturday 3 PM: Number Port Submitted
Port request for 8 numbers submitted. Estimated completion: Wednesday.
Monday 8 AM: Staff Training
30-minute video session. Key questions:
- "Can I use the mobile app and desk phone at the same time?" (Yes)
- "How do I transfer to someone's voicemail?" (Press transfer, dial *ext)
- "Will my HubSpot notes appear on screen?" (Yes, automatically)
Wednesday 6 AM: Port Completed
All 8 numbers switched to DialPhone overnight. First call at 7:15 AM. Zero issues.
The New Monthly Cost
| Item | Cost |
|---|---|
| 50 users × £24/month | £1,200 |
| Everything included | £0 extra |
| Total | £1,200 |
The Savings
| Metric | Value |
|---|---|
| Old monthly cost | £3,945 |
| New monthly cost | £1,200 |
| Monthly savings | £2,745 |
| Annual savings | £32,940 |
| Hardware cost (15 phones) | £2,250 |
| Break-even | 24 days |
| 3-year net savings | £96,570 |
And they gained: mobile app for 50 users (previously 20), HubSpot integration (previously £200/month add-on), unlimited international to US (previously £190/month), and analytics (previously £150/month add-on).
They paid less and got more. That is not marketing — it is maths.
For your own savings calculation, visit DialPhone and request a free bill analysis.
