View source for Global telephony

= Links =

https://en.wikipedia.org/wiki/Mobile_virtual_network_enabler

http://mvnou.com
https://www.gamma.co.uk/partners/products/mobile/become-an-mvno/

https://www.simetrictelecom.com/starting-an-mvno/

https://www.reddit.com/r/tmobile/comments/45rz74/starting_an_mvno/
https://www.reddit.com/r/VOIP/comments/sggny/voipms_provided_did_that_wont_work_on_att_how_do/
https://www.reddit.com/r/VOIP/comments/3heuoi/trying_to_find_a_voipdid_provider_which_supports/
https://www.reddit.com/r/freepbx/comments/646z3b/sms_tofrom_voip_innovations_via_smartphone_app/
https://www.reddit.com/r/VOIP/comments/7snifq/sip_trunking_recommendation_for_best_did_pricing/
https://www.reddit.com/r/telecom/comments/53ezbh/i_think_pots_service_is_better_than_voip_service/
https://www.reddit.com/r/VOIP/comments/44to9b/voipo_or_ooma_for_a_home_user/
https://www.reddit.com/r/Googlevoice/comments/5z86k8/alternative_to_google_voice/
https://www.reddit.com/r/VOIP/comments/8ucsli/cheap_but_good_voip_alternative_must_have_sms_to/
https://www.reddit.com/r/smallbusiness/comments/2tjicq/what_business_voip_service_do_you_use/
https://www.reddit.com/r/smallbusiness/comments/7pckk3/reputable_virtual_phone_number_companies/
https://www.reddit.com/r/smallbusiness/comments/9baqq8/favorite_virtual_phone_system/
https://www.reddit.com/r/smallbusiness/comments/8ocspu/call_quality_of_internet_phone_apps_grasshopper/
https://www.reddit.com/r/smallbusiness/comments/82rqtt/virtual_phone_systems_grasshopper_google_voice/
https://www.reddit.com/r/VOIP/comments/7rqscn/voip_termination_provider_for_us_pr_calls/
https://www.reddit.com/r/startups/comments/2vhwt6/what_are_your_experiences_with_cloud_telephone/
https://www.reddit.com/r/cellphones/comments/7xmbh3/portingparkingkeeping_an_inactive_number/
https://www.reddit.com/r/NoContract/comments/8tesuw/anyone_here_recommend_numberbarn/
https://www.reddit.com/r/NumberBarn/comments/9ah6uq/what_is_numberbarn/
https://www.reddit.com/r/startups/comments/6dx6kp/google_voice_replacement/
https://www.reddit.com/r/NoContract/comments/4qcaf5/porting_number_to_port_back_to_google_voice/

https://www.flowroute.com
https://telnyx.com
https://www.twilio.com

https://www.google.com/search?client=safari&rls=en&q=volte+access+to+your+own+SIP&ie=UTF-8&oe=UTF-8

https://wiki.asterisk.org/wiki/display/AST/Calling+using+Google
https://hobbiesbytwinclouds.wordpress.com/2017/01/23/set-up-a-google-voice-telephone-server-based-on-asterisk-pbx-in-15-minutes/
https://tech.iprock.com/?p=21950
http://nerdvittles.com/?p=24670
https://gvconnect.com

https://www1.pbxes.com/index_e.php

https://www.bluesip.net/index.php/en/
https://www.callcentric.com/
https://www.inumbr.com
https://www.riptec.net/index.php?lang=en
https://www.riphub.net/#s5_bottom_row1_area1
https://www.virtualphoneline.com/#
https://talkroute.com/caller-id/
https://www.numberbarn.com/outbound-calling
https://www.evoice.com/features/outbound-calling (beware, crappy service?)
https://grasshopper.com
https://www.voipo.com
https://hottelecom.biz
https://www.didx.net

https://pinngle.me/blog/what-are-the-best-international-phone-number-providers/
https://www.virtual-phonenumbers.com/virtual-did-numbers/general-information/352-can-i-make-outgoing-calls-from-virtual-phone-numbers

https://www.quora.com/Which-VoIP-services-give-you-a-free-real-phone-number-for-the-incoming-calls
https://www.quora.com/Who-is-the-best-virtual-phone-number-provider

https://blog.voipinnovations.com/differences-between-voip-and-virtual-phone-numbers

https://www.reddit.com/r/Googlevoice/
https://www.reddit.com/r/VOIP/

http://www.prepaidgsm.net/forum/