Cloud One Business SIP Trunk Subscription

  • Number of Channels
  • Billing Cycle

5,750.00 KSh 5,750.00 KSh 5750.0 KES


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Terms and Conditions
30-day money-back guarantee
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Business SIP Trunk Subscription

  • No Line Rental Charge

  • Preloaded Talk Time is equal to amount paid for the Business SIP Trunk Subscription

  • 1 Business SIP Trunk with Cloud One Kenyan DID Number +25420790XXXX

  • Local rate outbound calling service is only available to Kenyan Based Entities
    * Proof of Kenyan Residency required to qualify for Local rate outbound calling service

  • Outbound calls to local networks are billed at US$ 0.2 for international entities

  • Local & International inbound calls to Cloud One Phone Number +254(20)790XXXX are Free of Charge

  • Post Paid billing option is available for monthly billing cycle & requires two (2) months refundable deposit

Download & complete Cloud One Service Application Form below 

This is a mandatory requirement before activation of service


Yes ,  You can call out using the Business SIP Trunk with the preloaded talk time. 
Talk Time Top Up is required to re-enable outbound calling if you exhaust your preloaded talk time.

Outbound call rates are available from our calling rate page  

Inbound Local & International calls to your Cloud One Phone Number +254(20)790XXXX are free of charge

Cloud One SIP Trunk Subscription Comparison Table

Business SIP Trunk

Pay As You Go SIP Trunk

SIP Trunk for International Customer

Cloud One Phone Number (DID)

1 Free

1 Free

1 Free

Available Channels

8 / 16 / 32 / 64

4 / 8


Billing Options

Prepaid & Postpaid



Line rental charge


Yes, Equal to subscription amount of billing cycle

Yes, Equal to subscription amount of billing cycle

Inbound calls (free of charge)




Pre-loaded talk Time

Yes, Equal to subscription amount every billing cycle



Top up Required for outbound calls

Required if preloaded talk time is exhausted



Talk Time does not expire




Refundable deposit required

2 Month deposit for postpaid option



Kenya residency required




Outbound calls



International rate is applicable for non-resident customers

Rate Applicable for Kenya outbound calling

Local Rate

Local Rate

International Rate

Product Addons

Talk Time Top up

Toll Free Number 0800000XXX

Additional Phone Number +25420790XXXX

Yes, Cloud One Business SIP Trunk subscription includes a Cloud One Phone Number +25420790XXXX. You are required to complete the Service Application Form in duplicate in order to comply with The Kenya Communications Act 2010 Number Registration Regulation which states that a person or entity who intends to register a number shall provide the following particulars to the telecommunications operator or its agent.

Business KYC Documents

  • Copy of the Company PIN Number

  • Copy of the Certificate of Registration of Incorporation or Business Registration Certificate

  • Copy of CR12 Form with 3 months validity

  • Copy of a valid national identity card, passport or alien card of the company's authorised contact (CEO or MD)

Download & complete Cloud One Business SIP Application Form

This is a mandatory requirement before activation of the Cloud One Business SIP Trunk Subscription

    Yes ,  Internet connection is required to use the Business SIP Trunk subscription which is a cloud based service. The faster your Internet connection, the better

    Yes, you can connect your own Internet connected IP PBX with Business SIP Trunk subscription

    Cloud One offers both register & peer based Business SIP Trunks

    Cloud One Business SIP Trunk configuration service is a chargeable support service & will be quoted separately depending on the IP PBX.  We will require admin access to the IP PBX

    Yes , The customer is responsible for a firewall & quality of service configuration at customer site as per the router or firewall vendor recommendations

    The following recommendations are guidelines for your router or firewall for Pay as You Go SIP Trunks

    1. Cloud One Voice Switch signal & media server host is with UDP port 5060 as signaling port

    2. Our voice switch is configured to receive calls in E.164 format
      E.164 numbers are formatted [+] [country code] [subscriber number including area code] ie +25420790XXXX

    3. Whitelist the host on your firewall

    4. Prioritise VoIP packets (SIP UDP Port 5060 & RTP UDP Ports as per you IP PBX Vendor requirements) & reserve 128 kbps (High Definition Voice) for each voice channel to Cloud One Voice Switch for QOS

    5. Disable SIP ALG on your firewall

    6. Multiple ISP Connections should be configured correctly to handle VoIP connectivity

      1. Use failover for VoIP packets instead of load balancing to connect to your CloudPBX host  

      2. Use manual outbound NAT for each ISP connection

    7. Firewall should be in conservative mode to preserve VoIP session states

    8. Static IP or a Dynamic DNS Service is mandatory for your ISP Connection for whitelisting on our Cloud One central firewall

    9. SIP & RTP port forwarding & inbound NAT for each ISP connection from our Voice Switch host to your IP PBX Local IP for Peer based SIP Trunk

    10. It is Mandatory to inform Cloud One every time on your new or change of ISP static public IP or DDNS hostname for whitelisting on Cloud One's Central firewall. Failure to inform Cloud One may result in your connection getting blacklisted on our network & service becoming unavailable.

    11. Whitelist Cloud One Remote Management Host on your firewall for Cloud One SIP Trunk remote support or paid support tickets




    12. Configure remote management port forwarding for each ISP connection from Cloud One Remote Management Host to IP PBX Local IP.

    There are instances where you do not have access to your firewall

      • ISP is managing your firewall

      • You have a managed firewall service from a 3rd party

      • Lost admin access to your firewall

      Contact your ISP , managed firewall service provider or firewall vendor for assistance 

    If you are unable to configure your firewall with the above guidelines then your voice connection will not be optimised & voice quality affected

    Firewall configuration service is a chargeable support service & will be quoted separately depending on the firewall.  We will require admin access to the firewall

    The following addons are available for Business SIP :

    1. Talk Time Top Up to enable outbound calling if you exhaust your preloaded talk time 

    2. Cloud One Additional Phone Numbers to enable direct inward dialing to your extensions ( direct line or DID numbers)

    3. Cloud One Toll Free Number to enable your customers call you for free. Calls are billed to the Called

    4. Yeastar VoIP Gateways to connect your existing on-premise based telephone lines to CloudPBX

    5. Premium Support for out of scope work

      Business SIP Trunk is configured with 1 Simultaneous call for every channel

      Example 1
      8 channel Business SIP Trunk subscription can make & receive 8 external calls on the same phone number.

      Example 2
      8 channel Business SIP Trunk subscription can make 6 outgoing & receive 2 incoming external calls on the same phone number.

      Yes, you can can get a free trial for testing Cloud One Business SIP Trunk.

      Free trial terms & conditions of Cloud One Business SIP Trunk.

      • Trial expires in 3 Days or exhaustion of free Ksh 300 talk time (whichever comes first)

      • Only 1 trial per customer

      • On completion of the trial

        • Customer will delete all configurations of the Trial Cloud One SIP trunk configuration from their IP PBX to prevent blacklisting.

        • Customer can order a paid version and follow the ordering process to provision new Cloud One Business SIP Trunk subscription

        • Cloud One assigned Demo +25420790XXXX Phone Number can not be assigned to customer after the trial. You will select a unassigned Cloud One new number for your paid Cloud One Business SIP Trunk subscription. 

      Download & complete Cloud One Business SIP Trunk Proof of Concept form below

      No need to worry… Cloud One does not believe in hidden fee’s or overage charges so you will never see any on your invoice.

      Cloud One generates invoices on the first of the month. Once an invoice is generated we will email it to the address on file as a PDF attachment. If you pay via credit card, Cloudone will automatically charge your card on the 1st. If you would like to pay with Paypal you will need to process the payment manually each month or setup a Paypal Subscription. Once the invoice is paid another email will be sent with a receipt stating the invoice has been paid.

      The first invoice will also include a pro rata billing to align billing cycle to the 1st of the month.

      if you start the subscription on 20th of the month , your first invoice will having a pro rata billing of 10 days till the end of the month + the next billing cycle subscription

      Cloud One Business SIP Trunk subscription is provisioned as below

      1. Order is placed & paid

      2. It passes our fraud screening

      3. Invoice is issued.

      4. You will submit your Static Public IP Address or Dynamic DNS host name for whitelisting by contacting Cloud One Support 

      5. Cloudone Business SIP Trunk credentials emailed to you within 1 business day.

      6. You will be responsible for configuring the Cloudone Business SIP Trunk.

      7. Testing and commissioning of CloudPBX instance & Cloud One Business SIP Trunk will be your responsibility

        Cloud One Business SIP Trunk configuration service is a chargeable support service & will be quoted separately depending on the IP PBX.  We will require admin access to the IP PBX

      You can terminate your service as per our general terms & conditions by creating a new billing related  helpdesk ticket 

      You can upgrade your Cloud One Business SIP Trunk subscription from 8 Channels to 64 Channels only by creating a new billing related  helpdesk ticket 

      The new subscription rate will be effected immediately. 

      You can downgrade your Cloud One Business SIP Trunk subscription anytime by creating a new  helpdesk ticket  with your requested channel capacity

      The new subscription rate will be effected in the next billing cycle.

      Your Cloud One Business SIP Trunk subscription will be suspended on the due date of the invoice

      1. It can be reactivate by paying a re-connection fee of Ksh 1,000 and all outstanding charges within 90 days by creating a new billing related  helpdesk ticket  

      2. After the suspension of your account for 90 days, we will reserve the right to deactivate and recycle the Cloud One Phone Number and make it available for sale to another customer, without further liability to you.

      3. You will still be liable for all outstanding charges

      • We are certified Yeastar, 3CX, Yealink & D-Link distribution partner in the Kenya with advanced engineers trained to the highest standards, recognised for our successful installation and management of telephony solutions.

      • We have over 15+ years of knowledge and experience in IP Telephony & will find a solution to suit your business needs.

      • We operate in a Kenya based Tier-3 Data Centre to reduce latency & jitter issues

      • We operate our own Autonomous System (AS328302) Public IP Network

      • We manage our own hyper cloud services using Dell XC Cloud Servers.

      • We are licensed & regulated by the Communication Authority of Kenya (CA).

      • We are directly interconnected with all telecommunications operators in Kenya with our own CA assigned number range of +25420790XXXX & Toll Free range of 0800000XXX

      • We are interconnected with major international operators to enable global reachability of our network

      No, you can not use Business SIP Trunk subscription for terminating international calls to other Kenyan operators.

      This is illegal & is known as SIM boxing in Kenya

      Cloud One Limited is a licensed & regulated Telecommunications Service Provider by the Communications Authority of Kenya

      Section 24 of the Kenya Information and Communications Act, 1998, as amended, provides that anyone operating an illegal communications system commits an offense and is liable to a fine of one million shillings or to imprisonment of five years or both.

      Any suspicious telecommunications operations being undertaken without due consideration of the provisions of the law & after our investigations, we will suspend the service and all calls made will be charged at US$ 0.32 per minute to the authorised subscriber of the Cloud One Service for terminating international calls. We will report the activity & entities carrying out illegal activities with regards to international telephone traffic termination to CA & Kenya Police and relevant players in the telecommunications sector 

      Customers with no legal entity in Kenya can use our SIP Trunk for international customer subscription to terminate calls into Kenya. The rates are not the same as our local rates, but we use a legal route for this call termination. Outbound call rates are available from our Calling Rates for International Customers page.

      Not a problem, simply Contact Us One of our staff members will update your ticket shortly with a detailed answer.

      Specifications for Cloud One Business SIP Trunk Subscription

      Number of Channels 8 Channels or 16 Channels or 32 Channels or 64 Channels
      Billing Cycle Monthly Billing or Quarterly Billing or Annual Billing
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