The Mema Mobi service is a product of Mema Affiliate Marketing (PTY) Ltd.

Mema Mobi softphone is a standalone softphone application and not a VoIP service.

Data airtime is required to make, but not receive calls.

By using the service you agree to the following terms and conditions:

1.  Definitions:

1.1   “Software” means any Software, including Third Party Software, made available to you on our Mema website or otherwise, including but not limited to software phones or mobile applications for download for your convenience to enable you to access the Services;

1.2   “Broadband Internet” means a reliant functional broadband internet connection with sufficient bandwidth and quality to enable you to send and receive quality VOIP communications, including calls, data, and email, and to access the internet using a high-speed connection;

1.3   “Charges / Fees” means the amounts which we will charge you for the Service selected by you, at the rates as recorded in your application and/or displayed on the Mema website  and rates sheet from time to time;

1.3.1  Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees, or other charges in connection with VoIP.

1.3.2  You agree to learn and abide by your cellular carrier’s network restrictions.

1.3.3  Mema Affiliate Marketing and/or Mema Mobi will not be held liable for any charges, fees, or liability imposed by your mobile network operator for use of VoIP over Mobile, Cellular Data.

1.4   “Customer Support” means receiving help via e-mail or our online knowledge base and forums;

1.5   “Airtime” means the minutes required to connect calls from the Mema Mobi application to GSM and fixed-line numbers;

1.6   “DID Number” means a specific phone number assigned to you for use of the Service;

1.7   “SIP” means the version of Session Initiation Protocol indicated on the Mema website from time to time, which is a Voice over Internet Protocol;

1.8   “SIP Device” means any SIP compliant device (such as an analog telephone adapter, router, software phone, hardware phone, mobile application, or another compatible device) allowing you to place and receive VOIP communications;

1.9    “Service(s)” means the VOIP product or service described more fully in clause 3 below, and as selected by you in your application;

1.10    “Third Party Software” means Software or any part thereof, owned by third parties, which we may make available to you for your convenience to use with this Service;

1.11    “use” includes, but is not limited to, accessing the Service and placing and receiving VOIP communications through the Service;

1.12    “VOIP” means Voice over Internet Protocol, a technology for delivery of voice and other communications over a data network (like the Internet);

1.13    “Member’s Portal” means the portal webpages, currently located on the domain.

1.14    “Mema Mobi” means the Residential VOIP service offered by Mema Affiliate Marketing (PTY) Ltd via the Internet domain


2.  Duration and Termination

2.1   Upon termination of this Agreement any outstanding amounts will be due and payable immediately.

2.2   Upon termination of this Agreement all unused minutes will be forfeited and you will not be compensated for them in any way, shape, form, or fashion.

2.3   Migrating to another VOIP service will mean that you terminate your current Service and sign up for the new Service required. Accordingly, you will first need to settle all outstanding amounts before you can be migrated. In addition, you may lose your Number(s) and Mema Mobi does not guarantee that you will be able to retain your Number in this migration process.


3.  The Service

3.1   The Service will allow you to place and receive VOIP communications, (such as making or receiving calls, sending or receiving messages) over a data network such as the internet. The features of your specific Service will depend on the selection you make on the application.

3.2   Upon activation of the Service, you will by default be assigned 1 (one) DID Number which may be used by you.

3.3   This Service is intended to be used as a second telephone facility. It should under no circumstances be construed to be, or used as a primary telephone service and Mema Mobi makes no representations in this regard.

3.4   It is your responsibility to ensure that you can access and use the Service, whether about equipment (including mobile phone compatibility), internet connectivity, or otherwise.

3.5 To access and make use of this service your equipment and software must meet the minimum requirements indicated on the Mema Mobi from time to time, however, you require at the very least the following:

3.6.1          Broadband Internet; and

3.6.2          a SIP Device; and

3.7   The Service will not function during an electrical power failure or Broadband Internet outage, it may not be compatible with certain Broadband Internet services and it may be impaired if you simultaneously upload or download data and use the Service over the same Broadband Internet connection.

3.8   Access to and quality of the Service depends on various factors, including but not limited to, your location, network coverage, line quality, internet traffic, fluctuations on the internet, your underlying Broadband Internet service, service outages, equipment used by you, and configuration thereof, network and firewall configurations, NAT configurations, geographic factors, etc. We do not guarantee, warrant, or represent that you will be able to access the Service or the quality of the calls, or the clarity of voice.

3.9   The Service is intended for normal residential usage and you may not resell this Service in any way.

3.10    Although we use reasonable commercial efforts to route communications to those destinations which are indicated on our rates sheet from time to time, we cannot guarantee it. Neither can we guarantee that all such destinations or all numbers in those destinations are reachable. We will as far as reasonably possible make an effort to provide information regarding a specific type of number to which we do not route communications, available on the Mema website.

3.11    Mema Mobi specifically does not guarantee, warrant or represent that:

3.11.1      our rates are cheaper than normal telephone calls or any other calls;

3.11.2      should you use an emergency services number that it will operate correctly and/or that your location will be ascertainable based on your number; or

3.11.3      all local numbers in South Africa can be called, except for the following numbers:     Share-call and Free-call numbers starting with 0800, 0861, and 0860.

3.12   An unlimited number of softphone installations, and airtime sharing are allowed per user account.

3.12.1   Configuration:

   4 Channel Product: 15 Outbound and 4 Inbound calls.

4.  DID Number

4.1   The assignment of a DID Number to you is subject to usage conditions imposed by ICASA (The Independent Communications Authority of South Africa) from time to time on us and you as end-user. In particular:

4.1.1      DID Numbers must be used only in ways that satisfy such usage conditions and by these Terms; and

4.1.2      you do not have perpetual rights to use particular DID Numbers; and

4.1.3      ICASA has wide powers, including but not limited to the power to withdraw Numbers, require barring of DID Numbers, and change numbering plans, all of which could result in withdrawal or change of your DID Number.

4.2   Accordingly you shall never become the owner of any DID Number and Mema Mobi can therefore not guarantee the provision, retention, or perpetual use of any specific Number/s to you. You may not sell, lease, transfer, assign or otherwise alienate your rights in respect of the Service or any Number, and the use of a Number shall only be for the duration of our provision of the Service to you.

4.3   Although Mema Mobi will use its reasonable efforts not to withdraw or change any DID Number assigned to you, we reserve the right to do so or to otherwise deal with any such Number from time to time as we deem fit for reasonable commercial purposes including to meet the objectives of ICASA for responsible number allocation and usage conditions or other conditions but subject always to applicable law.

4.4   If the Service is suspended or terminated for whatever reason, any Number assigned to you may be taken out of use with immediate effect. Such a Number may immediately be lost for use by you and we cannot guarantee that the same DID Number will be recovered or reassigned to you again.

4.5   Mema Mobi does not make any representation of whatever nature that the Number assigned to you will be reachable from Telkom’s network or any other telecommunication platforms. Mema Mobi shall however use its reasonable efforts to ensure that the Number assigned to you will be reachable by other users of the Service or related services, but cannot guarantee it.

4.6   Should any DID Number not have been used in communications, other than communications from or to us, for 6 (six) months or such period as otherwise provided for by us or ICASA from time to time, we reserve the right to withdraw your DID Number and reassign it, without notice to you. This requirement is to meet the objectives of ICASA for responsible number allocation and usage.

4.7   Should we allow you to transfer an existing number to us or to release a DID Number to your new service provider – for you to retain an existing DID Number (“porting”) – such porting will be subject to industry-agreed processes and procedures as well as legal and regulatory rules and guidelines. As such we do not guarantee that porting will be allowed or be possible. If porting is allowed you will have to follow industry-agreed processes, specifically our as well as new service provider requirements, including if you port out, (i) ensure that all Charges are be paid up to date including any disconnect fees; and (ii) ensure that the Service is properly terminated if the DID Number ported out is the only DID Number assigned for use with your Service.

4.8   If the DID Number ported out is the only DID Number assigned for use with your Service a request to port out shall be deemed to be a notice by you to terminate the Service as the Service must at least have 1 (one) DID Number assigned to it.

4.9   In the event of porting a DID Number your Service may be interrupted in which event you will not be able to make or receive communications as the existing DID Number you are porting may be disconnected until the port effective date.

4.10    A geographic DID Number indicates a specified geographic area and if such DID Number is assigned to you it may be subject to certain restrictions, including but not limited thereto that it may only be used in such specified area. It is your responsibility to ensure that you know in which geographical area such a DID Number may be used as the Service may not be available or may be terminated if the geographic DID Number is used otherwise.

4.11    Subject to limitations allowed in law, Mema Mobi and/or third parties supplying Third-Party Software will not be liable to you, or any third party, for any loss or damages of whatsoever nature, including without limitation, any direct, indirect, special, incidental, consequential or punitive damages, arising from (i) withdrawal, porting, or change of a Number, or unavailability of the Service or Numbers (including geographic or emergency numbers), or your Number being unreachable, or use of the Service from outside South Africa; (ii) your downloading or use of the Software or our withdrawal or revocation of Software licenses; (iii) any incompatibility of the Service with your Broadband Internet or SIP Devices; and/or (iv) any damage to your SIP Device and you indemnify Mema Mobi against all loss, damages, claims, liabilities of whatsoever nature as a result of any claim instituted by a third party (other than you) arising from (i) to (iv) above.


5.  Charges / Fees

5.1   Apart from Mema Mobi Data Airtime, you may be charged for internet data and services by your Broadband Internet service provider for access to the internet.

5.2   Your usage charges are all prepaid for both services charges and airtime.

5.3   Mema Mobi is a Prepaid Service. Once you have run out of data airtime, you will not be able to make calls to connect calls to third-party GSM and fixed-line operators.

5.4   You are able to purchase additional minutes through the Member’s Portal.

5.5   An annual line rental fee is charged for Matrix-specific package holders to keep their DID number active, whereas monthly subscription package users only need to maintain their monthly subscriptions.


  • Data airtime serves to connect Mema Mobi users outside the Mema Mobi network to other mobile telecom service providers.
  • Top-up minutes are available to be purchased through the Mema Member’s Portal (
  • Unused data airtime rolls over on the condition that the DID number stays active (see paragraph 5.5)
  • Unused top-up minutes are not redeemable for cash.


Mema Mobi is not intended, designed, or fit for placing, carrying, or supporting Emergency Calls. Mema Mobi will not be liable for any costs or damages arising either directly or indirectly from the use of the Mema Mobi Data Airtime for Emergency Calls. Using Mema Mobi as a default dialer may interfere with dialing emergency services.


  • Support is available via a) email (, b) the online knowledge base and c) the online forums.
  • Mema Mobi does offer limited telephonic support, but no onsite support.
  • Support email requests will be responded to within 12 working hours Monday to Friday from 09h00 to 15h00.