GlobalSearch endpoint returning different data sets

I've written a CTI application that makes use of the the REST GET/globalsearch endpoint to find all records associated with a particular phone number (or partial number).

In the network tab of the Chrome developer tools I see the CTI application sending the following http request....

http://localhost:8080/sugar/rest/v11_1/globalsearch?tags=true&erased_fields=true&max_num=5&q=336&module_list= 

And I receive two records in response.

When I execute a global search from the sugar home page, in the network tab of the Chrome developer tools I see the following same http request....

http://localhost:8080/sugar/rest/v11_1/globalsearch?tags=true&erased_fields=true&max_num=5&q=336&module_list= 

However, I receive 7 records in response

Has anyone else run into a similar issue?  I'm using SugarCRM Professional, Version 8.0.0 (Build 211) (Spring '18)

Thank you in advance for your help,

Denise