Central Office vs Telatel One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Central Office
This app provides a unified communications solution for business professionals, integrating voice, chat, and enterprise features. Stay connected globally with a business presence, offering features like individual DIDs, visual voicemail, and HD video calls.
- Unified voice and chat communication
- Individual DIDs with free FAX
- Visual voicemail
- HD video calls
- Automated attendants
- Global connectivity
- Scalable hosted PBX system
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CentralOffice - Xchange Telecoms Unified Communications Solution The Central Office smartphone app is perfect for the on-the-go business traveler providing full integration with your existing Central Office environment. Central Office is Xchange Telecoms Unified Communications Solution (UC) integrating voice, chat, with a comprehensive set of Business-Grade enterprise communication features. Central Office gives you the flexibility to stay connected anywhere in the world, while maintaining a conventional business office presence. • Individual DIDs with free FAX number • Visual voice mail • HD video calls • IM Chat with everyone in your Central Office business • Automated attendants • Fastest and most reliable connections • CommPortal Web based portal for administrating your business account. • Automated multi-line Hosted PBX system • 100% Scalability • Increases your call completion rates – no more busy signals • IP Business office phones, affordable and easy to add as your business grows. • Select from your existing phone numbers, or order new lines, choosing from local, toll-free, and vanity numbers • Clear definition voice clarity with High-Call capacity routing • Place and receive calls worldwide at the lowest rates • Works over WIFI or your cellular data connection • No more expensive international roaming charges • Call Recording & Enterprise-Grade FaxMailPro also available
Telatel One
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Telatel One, votre nouveau compagnon téléphonique ! Cette application gratuite transforme votre smartphone en un softphone très pratique. Où que vous soyez, en France ou à l'international, restez connecté à votre ligne de bureau grâce à internet. Fini les contraintes géographiques ! Profitez d'une mobilité totale : votre numéro suit partout. Avec Telatel One, émettez et recevez vos appels en toute simplicité. Une solution complète et flexible, conçue par Telatel Telecom pour booster votre communication. Téléchargez et révolutionnez votre façon de travailler !
Screenshots
Verdict
The clearest difference is update cadence: Telatel One at every 2 months against Central Office's every 8 months. Central Office's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Central Office ships an update every 8 months, Telatel One every 2 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.
| Parameter | Central Office | Telatel One |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (19 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 208 MB | 115 MB |
| Age rating | 4+ | 17+ |
| Developer | XChange Telecom Corp | TELATEL TELECOM |
In-app purchases
Central Office
No in-app purchases
Telatel One
No in-app purchases









