Voice • Cloud PBX • South Africa
Business Voice & Cloud PBX — SIP Trunks, Teams Calling, IVR & Call Recording
Upgrade to carrier-grade SIP trunks, hosted PBX seats and Microsoft Teams Direct Routing. Keep your numbers, add IVR & queues, enable recording/analytics, and scale across sites — all optimised for low latency on Screamer’s network.
Choose your Voice Stack — SIP Trunks, Cloud PBX & Teams Calling
SIP Trunks
- Number porting, DID ranges, CLI presentation
- Failover to backup numbers or sites
- Codec support: G.711 / G.729 / Opus
- Fraud & spend controls with alerts
Great for existing on-prem PBX or Session Border Controller (SBC) deployments.
Hosted Cloud PBX
- Auto attendant, IVR, ring groups & queues
- Call recording, analytics, wallboards
- Softphones (iOS/Android/Windows/macOS) + desk phones
- CRM click-to-call & screen pops (browser extension)
All features in the cloud — zero servers to maintain, provision users in minutes.
Microsoft Teams Calling
- Direct Routing with SA numbers
- Call queues, policies, survivable branch appliance (SBA) options
- Hybrid with PBX + SIP where needed
- Emergency/location services configuration
Use Teams natively for PSTN calls. Keep your workflows, add enterprise voice.
Why Businesses Choose Screamer Voice & Cloud PBX
Carrier-grade SIP
Geo-redundant SBCs, number porting and scalable concurrent channels with failover routing.
Cloud PBX that just works
Auto attendants, queues, ring groups, call recording and analytics across softphone & desk phone.
Teams & Zoom ready
Direct Routing for Microsoft Teams with PBX/SIP hybrid options and Zoom Phone interoperability.
Keep your numbers
Seamless porting of geographic and non-geographic DIDs, plus new ranges on demand.
Crystal-clear quality
QoS over our backbone and peering for low jitter/packet loss; SD-WAN aware for branch voice.
Security built-in
SIP TLS/SRTP, fraud detection, rate limits, geo-IP controls, role-based admin and audit trails.
24/7 NOC & SLAs
Local engineers, proactive monitoring, clear response/restore targets and escalation paths.
Insights that matter
Wallboards, live queue stats, searchable recordings and compliance-friendly retention controls.
Security, Resilience & Compliance for Voice
Encryption & identity
SIP over TLS, SRTP media, strong auth, role-based permissions and audit trails.
Abuse & fraud controls
Geo blocking, call rate limits, anomaly detection, spend caps and alerting.
Retention & privacy
Configurable recording retention, lawful intercept support and POPIA-aligned data handling.
How We Roll Out Voice — Fast & Low-Risk
- 1
Discovery
Confirm users, numbers, call flows and connectivity (QoS / SD-WAN). We map your IVR & queues and agree success criteria.
- 2
Build
Configure PBX/SBC policies, routing, DID ranges & test numbers. Create device profiles and apply security/fraud controls.
- 3
Pilot
Small test group validates IVR, queues, recording, analytics and CRM pops. We tune QoS and call policies.
- 4
Port & Cutover
Port DIDs with a documented rollback path. On-site hypercare ensures clean handover with minimal disruption.
- 5
Operate
24/7 NOC monitoring, reports & analytics. MACDs, retention & compliance policies kept current under change control.
Simple Voice Pricing — Most Competitive in South Africa (Transparent & Mobile-First)
We focus on quality calling, analytics and real SLAs; the market often sells “best effort”. Start from R199/user and save up to 70% versus legacy PBX and line rentals. Clear plans, clean contracts, zero surprises.
Cloud PBX — Starter
R199/user ex VAT
- Core PBX: IVR, ring groups, queues
- Softphone (mobile/desktop) + desk phone support
- Local & mobile call rates that beat legacy PABX
- Number porting included
Cloud PBX — Business
R299/user ex VAT
- Everything in Starter
- Call recording & retention controls
- Wallboards & live queue analytics
- CRM click-to-call and screen pops
Microsoft Teams Calling
Direct Routing with SA numbers
- Keep Teams as your dialler
- Policies, queues; hybrid PBX + SIP
- Emergency/location services options
- Per-user or per-channel models
SIP Trunks (per channel)
Great for existing PBX
- Concurrent channels you can scale monthly
- Failover routing to mobiles or sites
- Fraud protection & spend caps
- G.711 / G.729 / Opus support
Pricing excludes VAT. Final quote depends on seats, numbers to port, recording/retention and any Teams Direct Routing or hardware. Pilot first, then scale — we’ll keep it transparent.
DEVICES, Headsets & Integrations
IP Phones
Popular models from Yealink, Poly and Grandstream. PoE + auto-provisioned profiles.
Headsets
Jabra/Poly certified headsets with busy-light, ANC and Teams/Zoom keys.
Integrations
CRM screen-pops and click-to-call via browser extension; webhook/API for custom flows.
Numbers, porting & call compliance
Keep your numbers
Geographic (e.g., 010/011/012/021/031) and non-geographic (0800/086/087). Zero downtime port windows.
New number ranges
Block allocations for branches, campaigns and call queues. DID mapping and CNAM where available.
Call recording & POPIA
On-demand/always-on, retention policies, searchable archive and lawful interception tooling as required.
Add-ons: Cyber Security, Managed IT & LAN, SD-WAN.
SLA & Support You Can Depend On
Uptime commitment
Contracted targets with response/restore SLAs and penalties.
24/7 NOC
Real-time monitoring, proactive alerts and direct escalation paths.
Change control
Documented MACD for users, routing, trunks, recording & retention.
How Screamer compares to typical voice providers
Call quality
ScreamerQoS across our backbone & peering for low jitter and clean audio.
MarketBest-effort or shaped paths that degrade during busy hours.
Teams calling
ScreamerDirect Routing with PBX + SIP hybrid options and policy control.
MarketLimited interoperability and fewer routing/queue features.
Recording & analytics
ScreamerSearchable archive, retention policies, wallboards & live queue analytics.
MarketBasic CDRs only; limited insights for QA or compliance.
Support
Screamer24/7 SA-based NOC, clear SLAs and documented change control.
MarketBusiness-hours only, slower escalation and limited MACD process.
Business Phone Systems in South Africa — Managed VoIP, Cloud PBX, SIP & Contact Centre
Simple, scalable voice for SMEs and enterprises: Cloud PBX, Managed VoIP, SIP Trunks, Microsoft Teams Calling, Onsite IP PBX and Hosted Call & Contact Centre. Most competitive pricing in South Africa — guaranteed.
VoIP in South Africa by Screamer Telecoms — business-grade calling, Cloud PBX and SIP.Managed VoIP (Hosted voice made easy)
Ditch legacy PABX and run voice over your business Internet. We host, monitor and manage the platform so you don’t babysit phones.
- Zero-touch deployment, number porting included
- Softphone & desk phones supported (mobile/desktop)
- QoS for clear calls; fraud controls & spend caps
VoIP Line — from R116 p/m
Start simple with a single VoIP line (keep your number). Upgrade to Cloud PBX later without changing providers.
- Cheaper call rates vs traditional lines
- Works over fibre/LTE/wireless with QoS
- Scale to multiple lines or a full PBX anytime
Hosted IP PBX (Cloud PBX)
All the power of an enterprise switchboard, hosted in our cloud. No CAPEX, no maintenance — just seats that scale.
- IVR, ring groups, queues, voicemail to email
- Call recording, wallboards & live analytics
- Integrations: CRM click-to-call, webhooks & APIs
SIP Trunks (keep your existing PBX)
Plug carrier-grade SIP into your current on-prem or cloud PBX and cut per-minute costs immediately.
- Concurrent channels you can scale monthly
- Geo-redundant routing & automatic failover
- G.711 / G.729 / Opus, TLS/SRTP options
Dedicated Onsite IP PBX
Prefer hardware on your premises? We deploy and manage an IP PBX with the features you expect — minus the headaches.
- Modern IP handsets & extensions
- Voicemail apps, paging, intercom, hot-desking
- Call recording & role-based administration
Hosted Call & Contact Centre
Upgrade customer experience with advanced routing, reporting and channel options — without big-bang CAPEX.
- Inbound & outbound, IVR & intelligent routing
- Quality monitoring, scripting & agent wallboards
- WhatsApp & digital channels, CRM integrations
Microsoft Teams Calling (Direct Routing)
Use Teams as your softphone with South African numbers, or run hybrid with your PBX and SIP trunks.
- Number porting, policies, queues & compliance
- Per-user or per-channel commercial models
- Emergency/location services where required
Conference Call — Advanced (up to 25)
Fast, reliable audio conferences from any SA mobile or fixed line. Great for stand-ups, briefs and quick decisions.
- Local access, PIN security & host controls
- Calendar invites & simple dial-ins
- Clear quality and predictable costs
Devices & apps your team will love
Desk phones
Yealink / Poly / Grandstream — PoE, HD voice, BLF keys, sidecars for reception.
Headsets
USB/BT with acoustic fence and busy-light for open offices.
Softphones
Windows, macOS, iOS, Android. Hot-desking and push notifications.
Conference rooms
SIP/Teams devices, speakerphones, wireless sharing and BYOD kits.
Built for every team — and every site
Retail & QSR
Queue announcements, call recording for compliance, POS/helpdesk lines.
Contact centres
Agent states, wallboards, skills routing, QA scorecards.
Healthcare
Multi-site switchboards, secure recordings, high-availability.
Construction & mining
Rugged endpoints, remote offices, satellite/ wireless backhaul ready.
Logistics & yards
Gatehouse & security lines, intercoms, paging.
Professional services
DID mapping by department, time-of-day routing, billing codes.
Ready to modernise your phones?
Tell us where you’re based and how your call flow works. We’ll map the best SIP/PBX/Teams combo for you.
Voice & Cloud PBX — FAQs
Can I keep my existing numbers?
Yes. We port geographic and non-geographic ranges. We’ll schedule a low-impact porting window and test inbound/outbound before cutover.
Do you support Microsoft Teams calling?
Yes. We provide Direct Routing so you can use Teams as your dialler. Hybrid setups with Cloud PBX and SIP are also supported.
Is call recording available?
Yes. Choose on-demand or always-on, with retention policies, secure storage and search. Analytics and QA scorecards are available.
How many concurrent calls can I have?
Scale channels to match your peak load. We can auto-burst during promos/campaigns, then scale back afterward.
Can I use my own desk phones?
Most standards-based SIP devices are supported. We also supply and manage Yealink/Poly/Grandstream endpoints.
Do you offer IVR and call queues?
Yes. Build menus, ring groups and skills-based queues with wallboards and reports for supervisors.
What connectivity do I need?
Any stable internet works. For the best quality, pair Voice with Screamer Business Internet or SD-WAN for QoS.
Is the service secure?
We support SIP TLS/SRTP, fraud monitoring, geo-locking and role-based admin. Ask about additional controls for compliance.
Do you integrate with CRM tools?
We support standard webhooks, click-to-dial and API exports. Speak to us about your stack.
What’s the typical onboarding timeline?
Most projects complete in 1–3 weeks depending on porting lead times, device staging and training.
Gauteng Internet Solutions — Business-grade Fibre, LTE & Wireless with Managed WAN & Security
Business
Dedicated Business Fibre (FTTB/DIA)
Guaranteed throughput with static IP and enterprise SLAs for cloud, VoIP and critical apps.
See Dedicated FibreFixed Wireless for Offices
Microwave last-mile with quick turn-ups and engineered line-of-sight for hard-to-reach sites.
Learn about WirelessBusiness LTE Connectivity
Instant connectivity for new branches and resilient failover; optional private APN/static IP.
Business LTE optionsSD-WAN & Multi-site Networking
Application-aware routing, zero-touch deployment and live visibility across every branch.
Explore SD-WANCyber Security Services
NGFW, EDR/XDR and SASE with 24/7 monitoring to protect people, endpoints and data.
Harden my networkHome
Home Fibre Packages
Stable FTTH for streaming, gaming and remote work with transparent month-to-month deals.
Browse Fibre dealsUncapped LTE Internet
Fast wireless at addresses without fibre — easy setup and simple pricing.
Check LTE optionsWhole-Home Wi-Fi / Mesh
Expert-tuned Wi-Fi that covers every room, with guest networks and parental controls.
Improve my Wi-FiFibre for Estates & Complexes
Turnkey FTTH infrastructure for complexes with fair usage and fast onboarding.
Estate fibre infoStreaming TV Box
Optimised streaming device for SA services — plug in and watch, no hassle.
See Streaming BoxMobile Data Plans
On-the-move connectivity with quick activation and flexible bundles.
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