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SMS, MMS, and Ringless voicemail CRM software

I NEED STRONG AND FAST SOFTWARE DEVELOPEMENT

Functionality overview:

Mass SMS/MMS  sending and contact managing with twillo, sprint,tmobile or at&t developer api intergration. Need to send 200k-1 million contacts a day.

-Email Sending- 200k- 1 Million emails daily or with Twillio or with a custom internal smtp server

-Ringless voicemail - choose contacts and send mass voice messages that go directly to the reciepents voicemail. I need to send 100k-200k vociemails

Additonal features- custom smtp servers, Cloud base software, custom numbers to choose from to send, custom opt-in names,

Perfect examples of what im looking ( combine these three) : for the sms funciality => [login to view URL] ..... email ==> [login to view URL] .....ringless voicemail==>[login to view URL]

Questions to answer when you message:

-Can you deliver all the send goals ?

-Can you make an independt smtp server that i can send 1 million plus contact daily using gsm modem if needed. ?

- How long will it take to deliver the complete software ?

- How many months of support do I get?

- What are all the extra expenses i need to cover other than the software development service?

Beceriler: Asterisk PBX, Yazılım Mimarisi, Android, Mobile App Development, Yazılım Geliştirme, VoIP

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İşveren Hakkında:
( 0 değerlendirme ) dallas, United States

Proje NO: #23481147

Bu iş için 4 freelancer ortalamada $1350 teklif veriyor

gkws

Dear Employer, Please visit my portfolio mentioned below, We have done similar work and capable to do this too, we are giving quality services from past 8 years. Please Can you come over to chat to discuss further, I Daha Fazla

$1400 USD in 35 gün içinde
(331 Değerlendirme)
8.1
shaktistanwar

Hi I am a technical evangelist, developer and can do this task for you. I have more than 15 years of experience in software development and am a microsoft certified professional.I have strong work experience in React,R Daha Fazla

$1500 USD in 7 gün içinde
(58 Değerlendirme)
7.3
Software9981

Hello, Greetings of the day! I saw your proposal and understood completely. We are a team of expert developers and have more than 6 years of experience in the Same Domain. We will complete your task on time and on budg Daha Fazla

$1000 USD in 7 gün içinde
(18 Değerlendirme)
6.6
specscale

Hello, Here are the answers to your questions: 1) Can you deliver all the send goals? Ans: Yes, we can develop a CRM that will do email/SMS/voice mail and other required features. We've already built a CRM as per our Daha Fazla

$1500 USD in 14 gün içinde
(2 Değerlendirme)
3.3