app caller id changer

hi, I can develop this app in two ways, first is to use SIP at the user end and second is to do a callback at the user's GSM number, kindly let me know if need some kind of demo, I can arrange a demo using a web page instead of app, kindly let me know if we can discuss the details, regards,

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Nice to meet you I am an Amazon Cloud Architect for the web infrastructure serving 90 million page impressions and 12 TB Internet traffic per month. The AWS services I use are EC2, ELB, MySQL RDS, VPC, CloudFront, ElastiCache, CloudWatch, CloudFormation, OpsWorks, ElasticBeanstalk, CodeDeploy, S3, SES, SQS and SNS. I have 20 years of Linux SysAdmin experience. I currently use Apache, Nginx, Ldirectord, MySQL, Perl, PHP, Memcached, Sphinx, Bind, Typo3, WordPress, Send-mail, Postfix, NFS, Samba, Snort, Vsftpd, aide, Nagios, Cacti, Puppet and a bunch of other traditional Linux software. I am good at android,asterisk-pbx,linux,mobile-phone,voip If you’re looking for a developer that’s truly an expert, driven by passion, not afraid to take on a challenge, and will be there with you every step of the way then look no further as I’m your guy.

Hello, Thank You For Job Posting :) I have 6+ years of experience in Website and Application development. I have checked The requirement and understand that as well. I have created SIMILAR in past. Do you want to see the DEMO ??? Thanks.

Dear Client, Greetings of the day! I have read your job description to develop android & iOS application and I'm quite interested to know about your project requirements. This is best fit job for me. I have strong skills in developing mobile application. Perfect coding, smart UI/UX design and good after service are my basic skills. My skills are - iPhone and Android app : Java, Swift, Objective-C, Kotlin, JavaScript, C# - Web and Backend : PHP, Html, CSS, MySQL, Python, Django, Flask - Data structure and Algorithm, C++, Python Looking forward to hearing from you!! With regards,